Minerals Archives - Page 2 of 3 - Geology Superstore

Fluorescent Fluorite £20.00 ex VAT
Specimens of Fluorescent Fluorite collected from Weardale, Co. Durham in the UK. Fluorite (also known as fluorspar) crystal beds from the famous British locality, Weardale in County Durham, UK. It is a popular mineral specimen for many, children, teachers, collectors etc, it often forms with a cubic crystal habit with the crystals being a variety of colours and sizes from deep rich purples, vibrant greens, calming yellows and sometimes crystal clear. These particular samples of fluorite crystals on matrix are vary with any of the mentioned colours. They also display excellent fluorescence, with the crystals turning bright purple – lilac under a UV light. Specimens measure between 3 – 5 inches and come in a white card tray with information label.

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29 in stock
Fluorescent Mangano Calcite £4.00 ex VAT
Specimens of Fluorescent Mangano Calcite, in tumblestone form. Mangano calcite is a pink variation of calcite, due to the prescence of manganese. These specimens display excellent fluorescence, turning a bright orange when presented with shortwave UV light. These tumblestones may also display visible banding. These specimens measure between 1 – 2″ approximately and come in a white card tray with an information label.

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25 in stock
Fluorite – Morocco £4.00 – £10.00 ex VAT
Fluorite mineral specimens found in Morocco, a common mineral, used in various manufacturing process today. Exhibiting various colours, ranging from hues of green, purple and clear. The samples are massive crystalline with cubic crystals present as well. Available in two sizes, supplied in a card tray with a label.

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Fluorite – Weardale £2.00 – £8.00 ex VAT
Fluorite crystal beds on a matrix from the famous Weardale locality in County Durham, UK, specimens exhibit a range of colours from rich greens, to deep purples, calming yellows and crystal clear samples, available in a variety of sizes. These mineral specimens are ideal for collectors, children and educational use, supplied in a card tray with a data label.

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Fluorite (Massive) – Finland £2.25 – £3.50 ex VAT
Fluorite, also known as fluorspar, is a captivating mineral that commonly forms in hydrothermal veins, often associated with various other minerals such as quartz, calcite, and sphalerite. Fluorite exhibits a remarkable range of colours, including purple, green, blue, yellow, and even colourless varieties. This diversity arises from the presence of trace elements and exposure to various environmental conditions during its formation. Whilst fluorite crystallises in the cubic system, these specimens are of a ‘massive’ nature. They are from Finland and come supplied in a white card tray with information label. Available in two colours: Green and Purple, and two sizes.

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Fluorite Beds – Derbyshire £2.25 – £6.00 ex VAT
2" x 2"3" x 2"4" x 3"
Fluorite (also known as fluorspar) crystal beds with galena collected from Ashover, Derbyshire. Fluorite is a popular mineral specimen for many, children, teachers, collectors etc, it often forms with a cubic crystal habit with the crystals being a variety of colours and sizes from deep rich purples, vibrant greens, calming yellows and sometimes crystal clear. These particular fluorite crystals on matrix vary with any of the mentioned colours above. Some specimens exhibit well developed galena crystals along with the fluorite however it can be less obvious in others. We supply 2″ x 2″, 3″ x 2″ and 4″ x 3″ specimens; each in a card tray with an information label.

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Fluorite Display Piece – 1 £20.00 ex VAT
A beautiful fluorite crystal bed display piece, collected from Ashover, Derbyshire. Fluorite (also known as fluorspar) is a popular mineral specimen. It often forms with a cubic crystal habit with the crystals being a variety of colours and sizes from deep rich purples, vibrant greens, calming yellows and sometimes crystal clear. This particular display piece features clear – yellowish crystals on matrix. The specimen measures approximately 13 x 12 x 3 cm at its widest and longest points and weighs just over 1000 grams. Due to the valuable and fragile nature of our display specimens, they will be shipped via courier only. Supplied with a plastic display stand and information label.

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1 in stock
Fluorite Group – Coldstones £1.50 – £5.00 ex VAT
Specimens of fluorite groups from Coldstones Quarry, Harrogate, North Yorkshire, UK. These specimens are clear in colour but are somewhat translucent due to mineral impurities. These pieces are supplied in a white card tray with an information label.

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Fluorite Octahedron – China £1.50 – £2.50 ex VAT
Fluorite octahedrons, these crystals specimens display in excellent quality another variation of the minerals, fluorites crystal habits, the octahedron. The crystals each have exactly 8 faces, hence the octahedron name. During formation, if the crystals have four perfect cleavage planes, octahedral shapes are produced. These particular samples come from China, each one is slightly translucent, letting though partial light and they all vary slightly in colour through various shades of green, purple and clear. It is important to note that these crystals, are genuine fluorite, they have been broken down, using the minerals own habit into the octahedron form. We offer them in two sizes small and large with each coming in a polythene bag with a label.

Small: Approximately 1 – 1.5cm

Large: 2+ cm

All measurements taken at the widest points

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Fluorite Octahedron – Illinois £1.50 – £2.50 ex VAT
Fluorite octahedron crystals of varying colours from Illinois, USA. These individual crystals are available in various sizes and have been cleaved into these octahedron shapes which is done due to the fluorite minerals points of cleavage which allows it to ‘break’ in four directions. Despite this, they still exhibit, excellent, almost gem quality clarity with very minor inclusions. Such crystals from Illinois are now difficult to come by these days as the fluorspar mines in the areas have long since ceased operations, causing supply of crystals to be exhausted. The crystals are available in various colours, chosen at random. Available in three different sizes, they come supplied in a white card tray with information label.

Small: Approximately 1cm in length

Large: Approximately 2cm in length

All measurements taken at the widest points

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5 in stock
Fuchsite in Quartz £1.50 ex VAT
Specimens of Fuchsite in Quartz, collected from Norway. These specimens are small, available in a 1.5″ x 1.5″ size, and come in a white card tray with an information label.

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Fulgurite (Lightning Stone) £1.20 ex VAT
Fulgerite mineral specimens from Algeria, formed from lightening strikes which pieces the desert sands instantly melting and fusing the quartz crystals creating a light weight hollow piece of rock.

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Galena – Ladywash Mine £3.50 – £13.00 ex VAT
Specimens of Galena with a high level of purity, collectd from Ladywash Mine, Eyam, Derbyshire, UK. Galena is a very important mineral, being the primary ore of lead. It is very dense and specimens exhibit metallic (shiny) lustre. These specimens are available in multiple sizes and come in a white card tray with an information label.

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Galena and Strontianite – Scotland £1.38 – £3.38 ex VAT
Galena and Strontianite – a lead or and strontium carbonate respectively – are present in this matrix from Orkney, Scotland, UK. The metallic blue veins of the galena can be seen running throughout these specimens, which are available in a number of sizes and provided with a white card tray and information label.

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Out of stock
Galena with Baryte £1.50 – £2.25 ex VAT
Galena with massive baryte from Morocco, showing the two contrasting colours of the off white baryte and metallic blue galena mineral specimens together, both are quite dense yet extremely fragile, these samples were collected from Morocco and available in 3 sizes.

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Garnets – India £1.50 ex VAT
Specimens of small almandine garnets found in India. These specimens are supplied in a small white card tray with an information label. The specimens are approximately 1″ – 1.5″ cm in diameter though this will vary slightly.

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18 in stock
Garnets in Biotite £2.25 – £6.00 ex VAT
Specimens of Garnets in Biotite, collected from Agder, Norway. The garnets in these pieces are almandine garnets, which are the most popular and common variety. These specimens exhibit deep red garnet crystals within a matrix of black biotite mica. They are available in multiple sizes and come in a white card tray with an information label.

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Goethite £1.65 – £2.75 ex VAT
Goethite mineral specimens from Morocco, the samples exhibit a black colouration with a high metallic lustre and a botryoidal formation, which makes the surface of the specimens appear ‘bubbly’. Excellent quality pieces with text book features suitable for collectors and schools, supplied in a card tray with a label.

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150 in stock
Goethite on Quartz £1.50 – £2.00 ex VAT
Beautiful acicular geothite crystals on fragments on Quartz, collected from Amerzgane, Ouarzazate, Morocco. These black needle like goethite crystals are of excellent quality and contrast beautifully against the lustrous white or smokey quartz. The opposing colours make these specimens all the more interesting to observe and the geode acts as natural protection for the fragile goethite crystals. Available in various sizes and supplied in a card tray with a label.

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120 in stock
Graphite £3.00 – £12.00 ex VAT
Graphite mineral specimens from China, well known in the modern day as the ‘lead’ in pencils due to its non toxic chemical composition, these samples of graphite are soft, exhibit a metallic lustre, dull grey colouration and waxy/greasy texture. Available in various sizes they come in card trays with a label.

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Graphite – Cumbria £2.07 – £9.20 ex VAT
Graphite, a rare variety of the carbon mineral from Seathwaite a small hamlet in Borrowdale, Cumbria, UK where the material was once mined. Samples are supplied in a small range of sizes with each piece supplied in a small card tray with an information label.

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Green Aventurine £2.07 – £5.54 ex VAT
Green aventurine mineral specimens from Brazil bearing a vibrant chrome green colour and crystalline texture expected of quartz minerals, the presence of platy minerals also gives them a glittering effect when viewed in light. These specimens are excellent additions to collections or as teaching aids, supplied in a card tray with a data label.

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Green Garnets Display Piece – 1 £37.50 ex VAT
A unique display piece of Green Garnets, collected from Afghanistan. This specimen is a massive freeform of green grossular garnets that has undergone cutting and polishing. This piece measures approximately 14 x 7 x 6cm at its widest and longest points. It weighs around 1050 grams and is capable of standing freely. Due to the valuable and delicate nature of our display pieces, it will be shipped via courier only. Supplied with an information label.

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1 in stock
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Grossular Garnets £0.35 ex VAT
Single specimens of grossular garnets found in India. Specimens are supplied in a small polythene bag and come with a information label.

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Gypsum – Daisy Bed (UK) £4.60 – £35.00 ex VAT
Daisy bed gypsum mineral specimens found in Kirkby Thore, Cumbria, UK detailing a beautiful flower like radiant crystal habit, hence the name. Specimens are supplied in a white card tray and come with a information label.

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Out of stock
Gypsum – Desert Rose £1.15 – £2.07 ex VAT
Desert rose mineral specimens composed from gypsum found in Tunisia, the samples are composed of numerous crystals which resemble ‘petals’ which are randomly orientated, thus giving them a rose flower effect. Specimens are supplied in a 1.5″ x 1.5″ card tray or as approximately 1 cm diameter pieces in 1″ magnifier boxes with an information label.

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Gypsum – Satin Spar £2.25 – £6.00 ex VAT
Gypsum satin spar mineral specimens from Morocco, which are a pearly white colour composed of high quality fibrous crystals which are long and orientated in the same direction giving the samples a silky lustre. These pieces are available in various optional sizes, supplied in a card tray with a label.

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432 in stock
Gypsum Orange Satin Spar – Morocco £1.56 – £2.69 ex VAT
gypsum satin spar with an orange colouration, found in Morocco, these mineral specimens exhibit excellent fibrous texture and a silky lustre, along with the unusual orange colour, makes these particular samples very sought after simply just for their unique appearance. Available in 2″ x 2″ size pieces only and supplied in a card tray with a label.

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Halite £1.00 – £3.25 ex VAT
Halite mineral specimens from the Boulby mine in Redcar, North Yorkshire, UK. Halite is a salt mineral and has a cubic crystal system and vitreous lustre, these specimens are rough and available in various sizes, suitable for educational use, supplied in a card tray with a label.

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30 in stock
Halite Crystal £2.50 – £4.00 ex VAT
Specimens of Halite Crystals, collected from Boulby Mine in Redcar, North Yorkshire, UK. Halite (rock salt) is a sodium mineral specimen and variety of salt. It features a cubic crystal habit and vitreous lustre. These specimens are available in two different sizes and colours. Specimens come in a white card tray with an information label.

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Hematite – UK £4.00 – £6.00 ex VAT
Hematite mineral specimens from Cumbria in the UK, showing partial botryoidal crystal habit and some fibrous habit. Despite this, the samples are text book examples, and exhibit a dense weight, deep red colouration and streak and a dull metallic lustre. Specimens are available in various sizes and come in a card tray with a label.

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60 in stock
Hemimorphite – Scotland £1.00 – £1.60 ex VAT
Hemimorphite mineral specimens found near Dunfries, Scotland, often located above zinc and lead mines near sphalerite and galena, these particular samples are a muted blue and green colour on matrix. Available in two sizes and supplied in a specimen tray with a label, they will make an excellent addition to serious British mineral collectors.

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38 in stock
Honey Calcite £2.25 – £6.00 ex VAT
Specimens of Honey Calcite, collected from Mexico. This is a variation of the mineral calcite which exhibits a translucent yellow orange colour and crystalline habit. Calcite is a relatively soft mineral, measuring a 3 on Mohs scale of hardness. Specimens are available in multiple sizes and comes in a white card tray with an information label.

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Ironstone – USA £2.00 – £30.00 ex VAT
Specimens of Ironstone that have been collected from Breitung Mine, Marquette County, Negaunee, Michigan, USA. These specimens are a deep reddish brown in colour with some specimens exhibiting clear banding. Please note that banding is not visible on all pieces. These specimens are available in very limited supply with three sizes to choose from. They come supplied in a white card tray with information label.

Additionally we also have one large display piece available, measuring approximately 18cm x 15cm at its widest points. This display specimen exhibits a distinct botryoidal texture on its top surface, making it an intriguing and appealing specimen to add to any collection.

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Jasper £2.07 – £5.54 ex VAT
Jasper mineral specimens from South Africa, jasper is a variation of quartz, it is opaque and can be found in various colours, but shades of red are the most common due to the presence of iron impurities. These samples are available in various sizes and come in a card tray with a label.

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Kämmererite – Norway £5.00 – £12.00 ex VAT
Specimens of Kämmererite, collected from Aheim, Western Norway. Kämmererite is a variety of Chromite. As such, its colour varies between dull grey and shimmering silver depending on the abundance of chrome. Specimens are available in multiple sizes and come in a white card tray with an information label.

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Kammererite with Olivine £2.30 – £3.68 ex VAT
Kämmererite mineral specimens over Olivine, collected from Aheim, Western Norway. Supplied in a card tray with an information label.

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14 in stock
Kunzite (50g) £10.00 ex VAT
Specimens of Kunzite, collected from Sar-i Sang, Afghanistan. Kunzite is a variety of spodumene, a pyroxene mineral and important source of lithium. These kunzite crystals range from clear to pale pink in colour, which is attributable to trace quantities of manganese. These crystals are small, each measuring up to only a couple of centimetres maximum. They come in lots of 50 grams, in a polythene bag with an information label.

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Kyanite – Black £6.90 ex VAT
Kyanite with a black colouration, a rare and unusual variety from Minas Gerais, Brazil, they exhibit excellent high quality radiating sheaths of accicular crystals, starting of from a single point and radiating out into many crystal and becoming wider. The mineral specimens are 3 inches in length with widths and thickness varying from sample to sample, all come supplied in a card tray with a label.

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16 in stock
Kyanite – Brazil £4.20 – £40.00 ex VAT
High quality kyanite mineral specimens exhibiting a rich blue colour and long, bladed crystals. These samples come from Minas Gerais in Brazil, they may also contain quartz as well, indicating a pegmatite origin. Specimens are available in various sizes and come in a card tray with an information label.

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16 in stock
Kyanite Display Piece – 1 £46.00 ex VAT
A stunning display piece of Kyanite, collected from Minas Gerais in Brazil. Kyanite is a metamorphic mineral, well known for its distinct blue colour, and long bladed crystals. This superb display specimen measures approximately 15 x 8 x 8 cm at its widest and longest points. It measures approximately 1400 grams, and is capable of standing freely. Due to the valuble nature of our display pieces, they will all be shipped via courier only. Supplied with an information label.

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1 in stock
Kyanite Display Piece – 2 £40.00 ex VAT
A stunning display piece of Kyanite, collected from Minas Gerais in Brazil. Kyanite is a metamorphic mineral, well known for its distinct blue colour, and long bladed crystals. This superb display specimen measures approximately 15 x 8 x 6 cm at its widest and longest points. It measures approximately 1000 grams, and is capable of standing freely. Due to the valuable and delicate nature of our display pieces, they will all be shipped via courier only. Supplied with an information label.

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1 in stock
Kyanite Display Piece – 3 £45.00 ex VAT
A stunning display piece of Kyanite, collected from Minas Gerais in Brazil. Kyanite is a metamorphic mineral, well known for its distinct blue colour, and long bladed crystals. This superb display specimen measures approximately 13 x 6 x 7 cm at its widest and longest points. It measures approximately 900 grams, and is capable of standing freely. Due to the valuable and delicate nature of our display pieces, they will all be shipped via courier only. Supplied with an information label.

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Kyanite in Fuchsite – Tanzania £2.25 – £5.00 ex VAT
Specimens of Kyanite in Fuchsite, collected from Mundarara Mine, Arusha Region in Tanzania. Kyanite is a distinct silicate mineral with a rich blue colour. Its prescence often indicates a high pressure metamorphic environment. Despite the kyanite in these fuchsite specimens being of a low grade, the distinct blue colour is still visible. These specimens are available in multiple sizes and come in a white card tray with an information label.

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Labradorite Feldspar £1.50 – £3.50 ex VAT
Specimens of Labradorite Feldspar, collected from Madagascar. Whilst the specimens are grey in colour, they exhibit a beautiful iridescent effect. This makes the specimens display a range of colours, including blue, green, yellow, orange or red. These specimens are available in multiple sizes and come in a white card tray with an information label.

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Labradorite Feldspar (Polished) £3.50 ex VAT
Specimens of Labradorite Feldspar, collected from Madagascar. These specimens have been cut and polished on one face. Whilst the specimens are grey in colour, they exhibit a beautiful iridescent effect. This makes the specimens display a range of colours, including blue, green, yellow, orange or red. These specimens are available in multiple sizes and come in a white card tray with an information label.

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23 in stock
Labradorite Pebbles £3.50 – £7.00 ex VAT
Beautiful labradorite pebbles, cut and polished and sourced from Madagascar. Labradorite, a dark grey feldspar mineral, belongs to the plagioclase series and is commonly found in mafic igneous rocks. These polished labradorite pebbles serve as exquisite examples of iridescence, also known as Labradorescence or the Schiller effect.

Available in three sizes.

Small: Approx 5 cm

Medium: 5 – 6 cm

Large: 6+ cm

You can also find similar carnelian pebbles HERE!

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Lapis Lazuli £1.50 – £12.00 ex VAT
Specimens of Lapis Lazuli, collected from Afghanistan. Despite beliefs of lapis lazuli being a mineral and gemstone, it is in fact a metamorphic rock. Lazurite is the primary mineral that contributes to its distinct blue colouration. Calcite and pyrite are the other constituent minerals that make up this rock. Specimens are available in multiple sizes and come in a white card tray with an information label.

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Lapis Lazuli Display Piece – 1 £85.00 ex VAT
A beautiful display piece of Lapis Lazuli, collected from Afghanistan. Lapis Lazuli is a metamorphic rock that consists primarily of the mineral Lazurite which gives it a distinct blue colouration. This piece has been polished to further amplify its colour. This superb display specimen measures approximately 14 x 10 x 5 cm at its widest and longest points. It measures approximately 1300 grams, and is capable of standing freely. Due to the valuble nature of our display pieces, they will all be shipped via courier only. Supplied with an information label.

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1 in stock
Lapis Lazuli Display Piece – 2 £190.00 ex VAT
A beautiful display piece of Lapis Lazuli, collected from Afghanistan. Lapis Lazuli is a metamorphic rock that consists primarily of the mineral Lazurite which gives it a distinct blue colouration. This piece has been polished to further amplify its colour. This superb display specimen measures approximately 17 x 15 x 6cmat its widest and longest points. It measures approximately 2900 grams, and is capable of standing freely. Due to the valuble nature of our display pieces, they will all be shipped via courier only. Supplied with an information label.

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1 in stock
Lapis Lazuli Display Piece – 3 £75.00 ex VAT
A beautiful display piece of Lapis Lazuli, collected from Afghanistan. Lapis Lazuli is a metamorphic rock that consists primarily of the mineral Lazurite which gives it a distinct blue colouration. This piece has been polished to further amplify its colour. This superb display specimen measures approximately 15 x 10 x 3 cm at its widest and longest points. It measures approximately 1200 grams, and is capable of standing freely. Due to the valuble nature of our display pieces, they will all be shipped via courier only. Supplied with an information label.

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1 in stock
Lapis Lazuli Tumblestones £2.00 – £8.75 ex VAT
Beautiful Lapis Lazuli Tumblestones, cut and polished and sourced from Afghanistan. Despite beliefs of lapis lazuli being a mineral and gemstone, it is in fact a metamorphic rock. Lazurite is the primary mineral that contributes to its distinct blue colouration. Calcite and pyrite are the other constituent minerals that make up this rock. These tumblstones measure 1 – 2″ inches in size and come in a polythene bag. Available to buy as single stones or in lots of five.

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Lepidolite (Botryoidal) £28.00 ex VAT
Lepidolite mica mineral specimens which are members of the mica group of minerals, specimens tend to have a lilac colouration, however, grey and rose are also colours which the mineral can be found in. It is often found in granitic rocks such as pegmatites as well as quartz veins, greisens and granites in general, where high temperatures are present. It’s lilac purple colouration have resulted in it being sought after as a gemstone in modern times, however, it is chemicallly important for modern technology as it is a secondary source of lithium, which is the main element present in almost all rechargeable batteries today such as phone batteries, tablets, controllers and more. It is also a major sources of the rare alkaline metals caesium and rubidium which are respectively used in various electrical components, accurate clocks, oil drilling, fireworks and more.

These particular mineral specimens of lepidolite mica exhibit a botryoidal crystal habit, in which the fine crystals have grown to appear as a ‘bubbling’ mass. The surface is smooth and is purple in colour. They come from Minas Gerais, Brazil and each specimen will be supplied in a card tray with an information label.

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5 in stock
Limonite £2.07 – £5.54 ex VAT
Limonite mineral specimens from the famous Cooper Peedy deposits, Australia. These samples exhibit excellent brown colouration, banded with yellow and have a typical earthy texture expected. A major iron ore, these samples may also contain opal. Available in various sizes with a card tray and label.

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17 in stock
Magnesite £1.20 – £3.68 ex VAT
Magnesite mineral specimens from Greece, the samples are an off white colour and exhibit a somewhat botryoidal texture, formed around ultramafic rocks and metamorphic zones, these specimens are limited and will come supplied in a card tray with a data label.

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Magnetite £2.25 – £6.00 ex VAT
Magnetite mineral specimens from Arendal, Norway, exhibits a metallic lustre, dense weight and crystalline texture, magnetic, the specimens are black and available in 3 sizes, supplied in a card tray with a data label.

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Magnetite – Lodestone £3.00 ex VAT
Magnetite lodestone mineral specimens from Mexico, a variation of magnetite and is highly magnetic, the mineral may pick up iron filings, giving it a hairy appearance, specimens are black, have a dull metallic lustre and are dense for their size. Available in small sizes only they will come in a 1.5″ size tray with a label.

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Out of stock
Magnetite Crystals £0.35 ex VAT
Magnetite crystals from Brazil, exhibiting the octahedral crystal form, ideal for educational use, they specimens are a rusty colour and around 1 cm in size, great for collectors and schools, supplied in a polythene bag with a label.

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266 in stock
Magnetite Crystals in Matrix £1.50 – £6.00 ex VAT
Specimens of magnetite crystals in matrix of feldspar and smokey quartz from Norway. These samples of magnetite are supplied in either a white card tray or a plastic magnifier box, all samples come with an information label.

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Magnetite in Matrix Display Piece – 1 £12.00 ex VAT
A unique display piece of magnetite crystals in matrix, collected from Cornwall. Magnetite is one of the major iron ore minerals, as well as being very dense. It is dark grey in colour and when viewed in the right light, can appear slightly glittery in appearance. This specimen features dark grey magnetite inclusions in a light grey matrix. These magnetite crystals, as the name suggests, are magnetic and will react in the presence of a magnet. This piece measures approximately 9 x 8 x 7 cm and weights approximately 1300 grams. Due to the valuable and delicate nature of our display specimens, they will be shipped via courier only. Supplied with an information label.

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1 in stock
Malachite – Congo £3.40 – £13.00 ex VAT
Specimens of Malachite, collected from the Congo, Africa. Malachite is a copper mineral which has long been used by humans as a source of copper. it is easily recognisable due to its green colouration.The mineral forms deep underground, often fractures or spaces where the water table and hydrothermal fluids provide the means for chemical precipitation, leaving malachite veins or pockets behind. These samples are a vibrant green in colour. Specimens are available in multiple sizes and come in a white card tray with an information label.

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Malachite – Morocco £1.50 ex VAT
Malachite mineral specimens from Morocco, the samples exhibit a fibrous crystal texture and has a eye catching green colouration. Specimens are available in 2 sizes and come supplied in a card tray with an information label. Ideal for collectors and educational use, malachite is well known through out history for its primary use as a major copper ore.

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Malachite (Botryoidal) – Congo £1.50 – £18.00 ex VAT
Specimens of malachite from the Congo, Africa. These samples are a vibrant green colour and usually show some amount of banding and are a must have for any mineral collection. Specimens are supplied in a white card tray with an information label.

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Malachite and Chrysocolla £3.00 – £9.00 ex VAT
Specimens of malachite and chrysocolla from Congo, Africa. Specimens are supplied in a white card tray with an information label. Malachite is a green secondary copper mineral and is very common. In these specimens the malachite occurs with chrysocolla a greenish-blue mineral consisting of hydrated copper silicate.

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Malachite Slices £3.75 – £13.50 ex VAT
Stunning specimens of botryoidal malachite, cut into slices and polished, in order to show off their concentric rings. These specimens display a striking dark green colour, interspersed with lighter green bands. Malachite is most commonly known as a secondary copper mineral and copper carbonate is what gives it its distinctive colour. These specimens come supplied individually in a plastic packet and are available in three different sizes:

Small: Approx 3 – 4 cm

Medium: Approx 4 – 5 cm

Large: 5+ cm

Please note that patterns and colours vary slightly between pieces. Collected from the Congo.

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Manganese in Calcite £1.50 ex VAT
Manganese crystals within massive calcite, these mineral specimens come from Oughoud, Morocco and exhibit dark, almost black manganese crystals growing within a massive calcite matrix. Specimens are available in multiple sizes and come supplied in a card tray with an information label.

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Mangano Calcite £1.50 – £3.50 ex VAT
Mangano calcite is a pink variation of calcite, these mineral specimens may also be banded and also fluoresce under ultra violet (UV) lights or lamps.This particular variation is mangano calcite or manganoan Calcite, which is a calcite rich in manganese giving it it’s pink colouration, available in 2 sizes only, pieces will come supplied in a card tray with an information label.

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Marcasite £2.07 – £2.30 ex VAT
Marcasite nodule mineral specimens from France, sometimes known as white pyrite, like pyrite it has a brassy colouration and metallic lustre and forms in nodules with a radiating structure of prismatic fibrous crystals, such as the specimens which we supply. Specimens are supplied in a card tray with an information label.

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40 in stock
Milky Quartz £2.25 – £6.00 ex VAT
Milky quartz mineral specimens from Norway, with a pale white colouration, hence the name, sometimes also known as white quartz, snow quartz or simply quartz. These particular samples were collected by staff from Iveland, Norway. This locality is also where we collected the smokey quartz from. It is in a massive form and has a very fine crystalline texture, this also results in it sometimes being sharp, so caution is advised when handling these samples. It is available in various sizes and supplied in a card tray with an information label.

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Molybdenite – Germany £2.00 ex VAT
Specimens of Molybdenite collected from Zinnwald, Sachsen, Germany. Molybdenite is a mineral which is similar to graphite in appearance, it has a metallic lustre which can dull over time. It is silver in colour and notably soft and malleable, it forms usually where high temperature hydrothermal ore deposits are found often with pyrite, chalcopyrite, quartz, anhydrite and fluorite. Today, this mineral has is the main ore for molybdenum. These specimens are small – approximately 1″ – 1.5″ in size. They come supplied in a white card tray with information label. Each specimen features varying amounts of molybdenite on matrix.

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Molybdenite – Norway £1.00 ex VAT
Specimens of molybdenite in a feldspar matrix from Buskerud in Southern Norway. Molybdenum disulfide (MoS2) otherwise known as Molybdenite is the primary ore of the rare earth metal Molybdenum. This element rarely occurs in pure form in nature and it is from minerals like molybdenite that it can be extracted. The mineral is often formed in hydrothermal veins. In recent years it has become an important factor of alloy production, particularly that of steel and stainless steel. The mineral is similar to Graphite, both in lustre and habit – molybdenite also leaves behind residue when touched (although this is harmless). This interesting property is a result of the molecular structure of the mineral, in which one molybdenum atom is sandwiched between two sulphur atoms, which is repeated in layers, allowing the individual layers to move over each other in the same way a conveyor would. Samples are supplied in a white card tray with an information label. A must have addition to any mineral collection.

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Mookaite £1.50 – £8.00 ex VAT
Specimens of Mookaite, collected from Australia. Mookaite is a variety of Jasper, with a colouration that varies between yellows, browns, oranges and reds. These specimens are available in a range of sizes and come in a white card tray with an information label.

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Moss Agate £2.25 – £6.00 ex VAT
Moss Agate mineral specimens from India, deep green in colour due to the presence of chrome and iron mineral impurities, this chalcedony mineral breaks with a conchoidal fracture, has a glassy texture and can have sharp edges, caution is advised. Available in various sizes, this well known mineral has been used in the past as a gemstone as it takes a high polish, natural specimens, they will come supplied in a card tray with an information label.

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Muscovite Mica – Norway £2.00 – £6.00 ex VAT
Muscovite mica sheets from Iveland, Southern Norway, specimens depict the basal cleavage of this mineral excellently as well as it’s elasticity, sometimes being referred to as ‘books’ of mica sheets. These samples were collected by staff from Norway, they have a vitreous lustre and are available in various sizes, all pieces supplied in a card tray with an information label.

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Muscovite Mica Display Piece – 1 £100.00 ex VAT
A stunning Muscovite Mica Display Piece, collected from South Africa. Muscovite is a common rock forming mineral and part of the mica family. It has a pale golden colour and can be split into thin sheets. It measures approximately 42 x 37 x 3 cm at its widest and longest points, and features a weight of approximately 8700 grams. Due to the valuable and delicate nature of our display pieces, they will be shipping via courier option only. Supplied with an information label.

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1 in stock
Muscovite Mica Sheets – Brazil £4.60 ex VAT
Muscovite mica sheets from Brazil, an excellent mineral specimen, especially for educational use as it depicts the basal cleavage perfectly, so thin are these sheet, that even when layered, they are still transparent. They have an off brown or pink hue and some impurities. Sizes vary as do shapes, each piece will come supplied loose with an information label.

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12 in stock
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Nepheline £2.50 – £10.00 ex VAT
Stunning Nepheline crystals from Tafilalet, Morocco. Nephaline is a rare feldspathoid mineral that has a hexagonal crystal system. Crystals typically occur as short 6 sided prisms that terminate with a flat basal plane, as evidenced by our specimens. Some of our specimens exhibit rare massive black garnet but this is no guarantee. One of the key diagnostic features of nepheline is the ease at which is deteriorates in acid, this can result in leaving a once clear crystal looking cloudy on the surface; this can be seen in some of our specimens. Each specimen is supplied in a card tray with an information label. This rare and unique mineral would be a welcome addition to any collection.

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Nephrite Jade Display Piece – 1 £20.00 ex VAT
A unique display piece of Nephrite Jade, collected from Pakistan. Nephrite is a calcium, magnesium and iron rich amphibole mineral with a distinct green colour. This unique display piece measures approximately 15 x 10 x 2cm at its widest and longest points. It measures approximately 750 grams. Due to the valuable and delicate nature of our display pieces, it will be shipped via courier only. This specimen comes supplied with a plastic display stand and information label.

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1 in stock
Nephrite Jade Display Piece – 2 £20.00 ex VAT
A unique display piece of Nephrite Jade, collected from Pakistan. Nephrite is a calcium, magnesium and iron rich amphibole mineral with a distinct green colour. This unique display piece measures approximately 12 x 8 x 2cm at its widest and longest points. It measures approximately 600 grams. Due to the valuable and delicate nature of our display pieces, it will be shipped via courier only. This specimen comes supplied with a plastic display stand and information label.

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1 in stock
Oligoclase – India £2.25 – £3.50 ex VAT
Oligoclase specimens from India supplied by weight. Oligoclase is a high sodium member of the plagioclase feldspar group commonly found alongside orthoclase feldspar, they are often present in granitic, syenite or dioritic pluntonic environments. These particular specimens of oligoclase have a peach-red colouration and are within massive white quartz, they are rough and unpolished. Available in multiple sizes, the specimens will come supplied in a card tray with an information label.

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Oligoclase – Norway £2.25 – £6.00 ex VAT
Oligoclase feldspar mineral specimens found in Bjordammen, Norway, a variation of feldspar commonly found alongside orthoclase, they are often present in granitic, syenite or dioritic pluntonic environments. Specimens are available in multiple sizes and come supplied in a card tray with an information label.

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Olivine £2.25 – £6.00 ex VAT
Olivine mineral specimens from Åheim, Norway, samples vary from granular to crystalline but all exhibit a bright olive green colouration. Collected by staff, olivine is a subsurface mineral which is unstable at the surface and weathers easily, making it rare. It may also contain the gemstone, peridot as well as kammererite. Available in various sizes and supplied in a card tray with an information label.

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Oolitic Iron Ore £2.25 – £6.00 ex VAT
Specimens of Oolitic Iron Ore, collected from Zambia. These specimens are unique, distinctive types of iron ore, consisting of concentric layering of small, rounded particles called ooliths. These specimens are red – orange in colour, which is typical of iron rich minerals. They are available in multiple sizes and come in a white card tray with an information label.

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Opal £1.50 – £8.00 ex VAT
Opal is a well known mineral which has been present through out human history, most commonly as an attractive gemstone. It is however, a mineraloid, not a complete mineral, it can contain any where between 3% to 20% water and is deposited at relatively low temperatures in fissures, because of this, it is found in a variety of rocks but the most common and the samples which we stock are opal in limonite. It’s structure allows it to defract light, giving it a schiller effect when held at certain angles, most opal is a vibrant blue colour though colours such as white, red etc have also been found. These particular samples come from Coober Pedy, Australia, a well know opal source, available in various sizes and supplied in a card tray with an information label. Please note these specimens only display a small, patchy surface coating of opal on limonite.

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Opal (Green) – Indonesia £4.00 – £12.00 ex VAT
Beautiful specimens of Green Opal, collected from Indonesia. Opal is a well known mineral which has been present throughout human history, most commonly as an attractive gemstone. It is however, a mineraloid, not a complete mineral. It can contain any where between 3% to 20% water and is deposited at relatively low temperatures in fissures. These specimens are available in various sizes and come supplied in a white card tray with information label.

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Orange Calcite £2.45 – £5.11 ex VAT
Orange calcite mineral specimens from Mexico, exhibiting a rich orange colour and crystalline texture, this soft mineral hovers at 3 on the Mohs scale of hardness. The colouration is due to the inclusion of hematite, an iron mineral (well known for being deep red) which in certain quantities, will give calcite the orange appearance. It is ideal for enthusiasts and collectors due to its striking colour but also for educational use to exhibit how calcite crystals can vary as well as colour and to enforce to students how mineral impurities can lead to said colouration. We have various sizes of this mineral available, each piece will come supplies in a card tray with an information label.

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100 in stock
Orthoclase Feldspar – Norway £2.25 – £6.00 ex VAT
Orthocalse feldspar mineral specimens from Evje, Norway. It exhibits a pale pink, white or pale grey colouration with excellent cleavage planes with rhombic crystal forms, a common mineral found in granites and rhyolites, orthoclase belongs to the feldspar family of minerals and can be found all over the world. Specimens are available in various sizes and come supplied in a card tray with an information label.

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Peacock Ore – Mexico £2.00 – £5.00 ex VAT
Peacock ore mineral specimens from Mexico, a striking altered variation of chalcopyrite, it exhibits a rich blue colouration with occurrences of purple, and yellow. Very dense as expected, we supply this mineral specimen in 2″ x 2″ sizes, each sample comes supplied in card tray with a data label.

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Peacock Ore – Morocco £2.30 – £3.34 ex VAT
Special specimens of Peacock Ore with Chalcopyrite from the Atlas Mountains of Morocco. A vibrant and standout display piece, ideal for any mineral collector or budding geologist beginning a collection. Available in 2 sizes, supplied with card tray and information label.

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30 in stock
Peridot £3.00 – £14.00 ex VAT
Specimens of Peridot, collected from the Gusdale Olivine Pit in Aheim, Norway. Peridot is a silicate variation of the mineral olivine. This means it is much purer and features a much more crystalline appearance. Exceptional pieces have uses in faceting and jewellery making as gemstones. These specimens are available in multiple sizes and come supplied in a white card tray with an information label.

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Petalite £1.04 – £9.20 ex VAT
Petalite mineral specimens from Bikita, Zimbabwe. Also known as Castorite, petalite is a well known mineral, it is a major source of lithium and is described as having a perfect monoclinc cleavage. These samples which we supply are a pale pink colour and available in 3 sizes, supplied in a card tray with an information label.

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20 in stock
Phlogopite Mica £2.01 – £5.46 ex VAT
These specimens were collected from an old apatite mine in southern Norway. Specimens have a brown coppery colour and are supplied in a 2″x2″ 3″x2″ 4″x3″ card tray with label.

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95 in stock
Pink Agate (India) £1.50 – £6.00 ex VAT
Specimens of Pink Agate, collected from India. Agate is a common silicate mineral and variation of chalcedony. These specimens are pale pink in colour with small to moderate amounts of brown agate present. Specimens are available in multiple sizes and come in a white card tray with an information label.

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Plagioclase Feldspar £2.01 – £5.12 ex VAT
Specimens of white coloured Plagioclase Feldspar also known as a Albite-Anorthite Series mineral. The specimens come from Osedalen, Southern Norway and are supplied in a 2″x2″ 3″x2″ 4″x3″ card tray with an information label.

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Prehnite – Loanhead £3.00 – £5.00 ex VAT
Specimens of Prehnite from Loanhead Quarry, Beith, North Aryshire, Scotland. The prehnite is a pale green to waxy yellow colour and has formed in a basalt matrix, some samples may also show small inclusions of chrysocolla. Samples come supplied in a white card tray with an information label, these pieces are a must have for collectors of British minerals.

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Prehnite – Namibia £1.50 – £5.00 ex VAT
Specimens of Prehnite, collected from Keetmanshoop, Namibia. Prehnite is an inosilicate mineral of both calcium and aluminium. It’s well known for its pale green to yellow colouration, and is most notably used as a gemstone in jewellery. These specimens are available in three different sizes, and come supplied in a white card tray with information label.

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Purple Quartz £2.07 – £3.31 ex VAT
2" x 2"3" x 2"
Purple quartz mineral specimens from Morocco, the crystal beds exhibit quartz crystal points on agate or chalcedony (all belonging to the quartz family of minerals), the colour is a hue of purple, but faded

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Purpurite £2.25 – £5.00 ex VAT
Specimens of Purpurite, collected from Brazil. Purpurite is a captivating mineral known for its rich, deep coloration, which ranges from reddish-purple to violet. Its name is derived from the Latin word “purpura,” meaning purple. Chemically, purpurite is a phosphate mineral primarily composed of manganese, iron, and phosphorus, with a chemical formula typically represented as (Mn,Fe)PO4. Purpurite is typically found in metamorphic rocks, often associated with manganese-rich environments. Available in three different sizes, these specimens come in a white card tray with information label.

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Pyrite – Morocco £1.20 – £3.50 ex VAT
Pyrite mineral specimens from Morocco, low grade but still exhibiting the brassy colouration and metallic lustre, samples are dense and upon close inspection may exhibit cubic crystals. A common mineral, also known as fools gold, it is found all around the world.Available in multiple sizes, they will come supplied in a specimen tray with a label.

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Pyrite – Norway £2.25 – £6.00 ex VAT
Pyrite in massive form, from Folldal, Norway. Collected by staff, these crystalline textured mineral specimens exhibit a metallic lustre, brassy colouration and shine when viewed under certain lighting conditions. The iron ore is dense and solid, but can break fairly easily, occurrences of chalocpyrite may also be seen in some pieces. These samples are available in various sizes and come supplied in a card tray with a label, ideal for educational use, children and collections.

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