Geology Superstore
Geology Superstore
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  • Angelite (Anhydrite) – Peru £1.50£8.00 ex VAT

    Angelite is a popular trade name for a variety of Anhydrite that is light blue-grey in colour, semi-transparent, fine grained and marketed as gem material. These specimens, along with most angelite, are from Lima, Peru and were collected near the Casapalca Mine at Casapalca, Huarochiri Province, Lima Department, Peru.

     

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  • Baryte – Cumbria £2.25£6.00 ex VAT

    Baryte, also known as barite, consists of barium sulphate and displays various crystal habits. These specific specimens come from Cumbria, UK, and have a bladed appearance. While predominantly white, some samples show a yellow-orange hue. However, baryte can occur in several other colours, including pink, orange, buff, or brown. These specific specimens were collected from Cumbria, UK, and are available in different sizes, presented in a white card tray with an accompanying information label.

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  • Biotite Mica (Massive) – Norway £1.50£6.00 ex VAT

    Massive Biotite Mica specimens, collected from Arendal, Norway. These specimens depict a “massive” crystal structure, as opposed to the more commonly seen sheets. Like all biotite mica, these specimens are dark in colour, exhibiting a dark grey to black hue. Mica is one of the most common mineral groups, with biotite being the most abundant member. Biotite is very common in igneous and metamorphic rocks, with the dark minerals in granites, pegmatites and gneiss often being due in some part to the presence of this black mica. This massive biotite are available in limited supply so we recommend you move fast if you wish to add a piece to your collection. Supplied in a white card tray with information label.

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  • Chrome Diopside – Norway £2.00£12.00 ex VAT

    Specimens of Chrome Diopside that were collected from the Gusdal Olivine Pit, Åheim, Norway. These samples are best described as chrome bearing diopside. Diopside, a vivid green pyroxene mineral, features streaks of grey chromite that creates a stunning mineral sample that would be the perfect addition to any collection. Whilst many samples of chrome diopside tend to be crystalline in nature, our samples are unique as the feature a grainier, more crumbly texture. These specimens are in limited availability, so we recommend you move fast if you wish to add these stunning specimens to your collection. They are available in a range of sizes and come supplied in a white card tray with information label.

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  • Epidote – USA £1.50£2.25 ex VAT

    Specimens of Epidote from Michigan, USA. In particular, they have been collected from the Laurium Mine, Osceola, Houghton County. Epidote is an abundant rock forming mineral that is most commonly green in colour. These specimens date from the Stenian period, approximetely 1 – 1.2 billion years ago. These specimens are available in limited supply, with two different size options. They come supplied in a white card tray with 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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  • Rhodonite – Peru £2.00£20.00 ex VAT

    Rhodonite specimens from Peru display a signature pink color, and are of manganese silicate composition. They also contain significant amounts of magnesium, iron, and calcium (Mn,Fe,Mg,Ca)SiO3.

    Rhodonite, an uncommon mineral, typically thrives in metamorphic rocks and other manganese-rich regions. It claims its presence in nine main localities: Argentina, Australia, Brazil, Canada, England, India, Russia, Sweden, and Peru, along with a few states in the USA.

    These specimens boast a massive crystal structure, granting them a granular appearance, while the rarer ones boast red, triclinic crystals.

    You can obtain these specimens in various sizes, neatly packaged in a white card tray complete with an informative label.

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  • Actinolite In Talc £2.10£6.55 ex VAT

    Actinolite crystals within talc mineral specimens collected from the Mo i Rana, in the Helgeland region of Nordland, Norway, an excellent and striking mix of off white and deep green these samples are excellent for serious collectors, available in various sizes and supplied in a card tray with an information label.

    2 in stock

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  • Aegirine £1.90£6.55 ex VAT

    Aegirine mineral specimens from Sulitjelma, Norway, exhibiting dark green prismatic crystals within a white albeit or plagioclase feldspar matrix, the two contrasting colours make for an excellent eye catching specimen, available in various sizes and supplied in a tray with an information label.

    36 in stock

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  • Almandine Garnets – China £2.07 ex VAT

    Almandine garnet crystals, from China, popular gemstones varying in size between 0.5 -1.0cm  with a good crystal habit, a deep red colour and vitreous lustre, these garnet crystals are ideal for collectors and for educational use, supplied in a polythene bag with a data label.

    212 in stock

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  • Amazonite – Norway £1.50£5.95 ex VAT

    Amazonite mineral specimens from Norway, exhibiting a pale green colour, much less vibrant than the specimens from Russia, a variety of microline feldspar, these specimens are rare and stocked in limited amounts, available in only two sizes.

    50 in stock

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  • Amazonite – Russia £1.38£3.75 ex VAT

    Amazonite mineral specimens collected in Russia, a variety of microline feldspars, these specimens exhibit a graphic streak texture and have a much more vibrant green colouration to them than the Norwegian specimens, available in three sizes, ideal for collectors and gemstone enthusiasts.

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  • Amber – Black £2.07£2.30 ex VAT

    Amber from Sarawak, Borneo, these mineral and fossil specimens are found in the ancient coal measures around Indonesia, a variation known as glessite, this amber is from the Tertiary period, 15 to 25 million years old and is much harder than Baltic amber. It has a distinct brown colour but once under shortwave UV lighting, emits a pale blue which is calming to the eyes. Supplied in a card tray with a label.

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  • Amethyst – Brazil £1.00£6.95 ex VAT

    Amethyst is a purple variety of quartz owing its attractive colour to irradiation and iron impurities present at the time of formation. These crystal beds from Brazil are available in a range of optional sizes and will come supplied in a card tray with a label.

    50 in stock

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  • Amethyst Points £2.07 ex VAT

    Amethyst crystal points collected in Brazil, detailing the typical trigonal crystal habit expected of quartz minerals, the specimens range in size from 30 to 50 mm in and show a pale purple colour slowly fading to white at the base. Supplied in a white card tray with a label.

    12 in stock

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  • Analcime – Croft Quarry £1.15£10.35 ex VAT

    Specimens of analcime from Croft Quarry, Croft, Blaby, Leicestershire, UK. samples are available in two colours with many pieces having small numbers of calcite crystals present. Ideal for British mineral collectors, these specimens are supplied in a white card tray with an information label.

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  • Andradite Garnets £6.00£70.00 ex VAT

    Andradite garnet crystals with nepheline mineral specimens, collected from Khenifra Province,Tafilalet, Morocco. This rare species of garnet, which is melanite, belongs to the schorlomite group, the contrast between the two black and white minerals makes for an interesing piece to observe. This variant of garnet is rare, and has become a popular gemstone lately, they are jet black with a vitreous lustre and easily identifiable crystal form. Available in a variety of sizes, samples will come supplied in a card tray with a data label.

    70 in stock

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  • Anhydrite

    Anhydrite mineral specimens exhibiting a soft hardness and crystalline texture, the pieces vary in colour between pale grey and white and were collected from Cumbria, they are available in 3 sizes and come supplied in a card tray with a label. An evaporite mineral, it is closely related to other such mineral including gypsum, halite,calcite and others.

    Out of stock

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  • Anyolite – Tanzania £2.00£3.00 ex VAT

    Specimens of the rock anyolite comprised of the minerals zoisite, corundum var. ruby and pargasite from Mundarara Mine, Arusha Region, Tanzania. Specimens are supplied in a magnifier box and come with an information label.

    Please note that the size of the ruby within the rock varies between specimens.

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  • Apatite £1.40£2.75 ex VAT

    Apatite mineral specimens from Madagascar, exhibiting an electric blue hue, these specimens have a crystalline texture and are in a massive form, minute occurrences of secondary minerals are present, they are available in small sizes and come in a white card tray or mag box with a data label.

    24 in stock

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  • Apatite Crystals (Green) £3.00 ex VAT

    Specimens of green apatite crystals found in Morocco. These samples are available in both small (approximately 1 – 1.5 cm) in which you receive 5 pieces and large (approximately 2 – 3.5 cm) size, where you will receive a single crystal, though their size will vary slightly. Specimens are supplied in a small polythene bag with a information label.

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  • Apophyllite £2.50£10.00 ex VAT

    Apophyllites mineral specimens showing excellent quality and detail, clear transparent crystals with trigonal terminations on a bed, these fabulous specimens come from Pune, India.

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  • Aquamarine Beryl – Portugal £0.92£1.15 ex VAT

    Specimens of aquamarine beryl found in Portugal. Specimens are supplied as either roughly 1 cm pieces in a small magnifier box or 2 – 3 cm pieces in a large magnifier box, all specimens come with a information label.

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  • Aragonite (Sputnik) £2.07£3.34 ex VAT

    Aragonite sputniks, also known as twinned aragonite crystals, these mineral specimens are roughly 40 to 50 mm in size, they exhibit an orange colouration and numerous radiating crystals similar to the Russian satellite, ‘Sputnik’. They come from Morocco and will come supplied in a card tray with a label.

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  • Aragonite Groups £5.54£11.50 ex VAT

    Aragonite crystal groups (or beds) from Morocco, exhibiting a calming white, yellow to brown colour and botryoidal crystal habit, available in larger sizes only they will come supplied with a data label. Ideal for the serious collector or as a talking piece.

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  • Azurite – Morocco £3.45£4.83 ex VAT

    Azurite: a soft, deep blue copper carbonate mineral formed from the weathering of copper ore. The azurite crystals on matrix are from Morocco.

    Out of stock

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  • Baryte – Murton Mine £5.00 ex VAT

    Baryte mineral specimens collected form Cumbria, exhibiting a bladed crystal habit or massive form, the dense specimens are an off white, yellow or brown colour due to staining from hematite (iron ore), available in various sizes, ideal for educational use.

    Out of stock

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  • Baryte – Foss Mine £2.57£5.62 ex VAT

    Baryte mineral specimens, unusual samples collected from Foss mine in Scotland, they have a fine crystalline texture instead and are quite robust specimens. Pieces are off white in colour and may show a shimmer effect in certain lighting conditions. Available in various sizes, supplied in a card tray with an information label.

    29 in stock

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  • Baryte – Somerset £2.25£6.00 ex VAT

    Baryte mineral specimens collected form Somerset in the UK, exhibiting a bladed crystal habit or massive form, the dense specimens are an off white, yellow or brown colour due to staining from hematite (iron ore), available in various sizes, ideal for educational use.

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  • Baryte (Cockscomb Mass) £2.07£3.65 ex VAT

    Baryte in cockscomb mass form exhibiting bladed crystals on a massive bed, these mineral specimens vary slightly in colour from orange and yellow to pink, they show excellent crystal detail, mined in Mibladen, Morocco, they are available in various sizes.

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  • Baryte with Malachite and Azurite – Somerset £2.07£8.50 ex VAT

    Specimens of baryte with small amounts of malachite and azurite from Cannington Park, Bridgewater, Somerset, UK. Specimens are supplied in a white card tray with an information label, these are must have samples for any British mineral collector.

    Out of stock

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  • Bauxite £2.01£5.46 ex VAT

    Bauxite is a brown or red earthy sedimentary rock and primary ore for aluminium, these mineral specimens come from Antrim, Northern Ireland and are of textbook quality, they are available in various sizes to choose from and will come supplied in a card tray with a data label.

    284 in stock

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  • Beryl £2.90£5.85 ex VAT

    Beryl specimens which detail somewhat clear crystal habits, one can see that the specimens have a slight hexagonal prism shape, these specimens from Evje, Southern Norway are green to yellow in colour and are available in 3 sizes, supplied in a card tray with a label.

    20 in stock

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  • Biotite Mica – Madagascar £3.45£11.50 ex VAT

    Specimens of biotite mica from Madagascar. These samples of biotite mica are of a higher quality than our specimens from Pakistan and Norway, they are supplied in a white card tray with an information label.

    40 in stock

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  • Biotite Mica – Pakistan £2.07£2.21 ex VAT

    Biotite mica mineral specimens from Baluchistan, Pakistan available in moderately thick laminar sheets, as expected of this mineral, the samples exhibit a black colouration with a dull lustre. They serves as excellent examples of phyllosilicate minerals for collectors or educational use, with the pieces coming supplied in a labelled card tray.

    986 in stock

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  • Blue Baryte (Portway Gravel Pit) £5.75£34.50 ex VAT

    Specimens of crystalline pale blue baryte overgrown with massive brown – white baryte from the now closed Portway Gravel Pit, Castleton, Derbyshire, UK. These particular pieces display radiating aggregates of pale blue baryte crystals with overgrowth of brown – white massive baryte. These rare samples are a must have for any mineral collector particularly those who are interested in British material, pieces are supplied in a white card tray with an information label.

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  • Blue Calcite £2.07£5.54 ex VAT

    Specimens of blue calcite from Mexico. These samples of blue calcite vary in colour from the typical light blue to a pale almost white, they are supplied in a card tray with an information label. These specimens are perfect for mineral collectors and ideal as a teaching aid.

    25 in stock

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  • Blue Lace Agate

    Blue lace agate mineral specimens of moderate size which clearly exhibit alternating bands of blue and white, the specimens come from Botswana and are excellent grade with minimal matrix on them. Formed through volcanic processes and the deposition of silica compounds in igneous rocks, these minerals are both important educationally and calming to look at.

    Out of stock

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  • Bornite £1.15£2.30 ex VAT

    Bornite mineral specimens from Congo, Africa exhibiting excellent text book iridescent blue colouration and a metallic lustre as well as the expected density. Bornite is a copper ore mineral which is often used in the educaitonal sector in geology and science lessons. When acid treated, it is known as peacock ore owing to its vibrant purple colours. Specimens are available in various sizes and come in a card tray with a label.

    19 in stock

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  • Bornite With Quartz and Feldspar £1.50£8.45 ex VAT

    Bornite with Feldspar and quartz, a strange and colourful mixture of minerals and crystals making a unique specimen, these pieces were collected by staff from Tysfjord, Northern Norway, due to the content, they have a vibrant metallic colouration and are available in 3 sizes, supplied in a card tray with a label.

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  • Bytownite Basalt £1.73£3.98 ex VAT

    Bytownite basalt is another variation of the common Basalt rock. These particular samples come from Cumbria and are available in a range of sizes.

    196 in stock

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  • Calcite – Machen Quarry

    Specimens of rhombohedral calcite crystals from Machen Quarry, South Glamorgan, Wales. Samples are supplied in a white card tray with an information label and are a must have for any British mineral collector.

    Out of stock

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  • Calcite – Taffs Well

    Specimens of calcite from Taffs Well, Wales, UK. Samples are supplied in a white card tray or perspex magnifier box with an information label, these are ideal samples for British mineral collectors.

    Out of stock

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  • Calcite and Quartz Geode £2.07£11.50 ex VAT

    Specimens of geodes containing both quartz and dogtooth calcite crystals from Morocco. These samples are ideal for teaching about geode formation but would also make an excellent addition to any mineral collection. Specimens are supplied in a white card tray with an information label.

    Out of stock

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  • Calcite Rhomb £1.15£2.07 ex VAT

    Calcite rhomb mineral specimens exhibiting excellent rhomic crystal form expected of calcite, the pieces come from Morocco and as expected, will fizz, bubble and release CO2 if the hydrochloric acid test is performed. They are available in 2 colours and will be supplied in a card tray with an information label.

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  • Campyllite on Quartz

    Specimens of quartz with small inclusions of campyllite from Cumbria, UK. Campyllite, sometimes spelt Campylite, is a variation of the lead arsonate mineral mimetite. These specimens feature small numbers of distinct dark amber coloured crystals with a barrel habit upon a quartz matrix. The crystals are small and protrude outwardly. Specimens are available in various sizes, and each is provided with a white cad tray and information label.

    Out of stock

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  • Candle Quartz

    Candle quartz is a variation of the mineral, quartz which has an off white colouration and waxy lustre, multiple crystal points within one specimen can sometimes occur as well. Aside from these points, the crystals still depict a trigonal system and have a hardness of 7 on the Mohs index. We have pieces available in two sizes which will come supplied in a card tray with a label.

    Out of stock

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  • Celestine (Madagascar) £2.30£5.54 ex VAT

    Celestine occurs as crystals, and also in compact massive and fibrous forms. It is mostly found in sedimentary rocks, often associated with other minerals such as gypsum and halite. Celestine is found all around the world however pale blue celestine crystals such as these pieces are found in Madagascar. Celestine is a mineral consisting mainly of strontium sulphate and is the primary source of strontium.

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  • Celestine (Morocco) £2.88£4.95 ex VAT

    Celestine mineral specimens from Morocco, these samples have a pale blue colouration and are more translucent than the Madagascan material, the crystals tend to be less well formed and smaller but ideal for those on a budget or for educational use. Available in 2 sizes and supplied in a card tray with a label.

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  • Cerussite £4.03£17.25 ex VAT

    Cerussite crystal beds, a well sought after mineral specimen due to the clean, clear crystals and their rarity. The crystals typically have an orthorhombic habit and is found along side the cockscomb mass variation of baryte,making for a dense specimens. We have various sizes in stock and specimens come from Mibladen, Morocco.

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