Geology Superstore
Geology Superstore
  • Actinolite In Talc

    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.

    Out of stock

  • Aegirine £2.07£6.56 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.

    Out of stock

  • 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.

    215 in stock

  • Amazonite – Norway £2.07£3.31 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

  • 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.

  • 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.

  • Amethyst – Kilo Bag £18.00 ex VAT

    1 kilo of amethyst mineral specimens, these crystal beds are faded purple in colour showing typical crystal forms. Ideal for schools, educational and teaching use or for when bulk amounts are needed, specimens supplied are a range of sizes between 20 mm and 50 mm and come supplied in a polythene bag with an information card.

    13 in stock

  • Amethyst – Uruguay

    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 Uruguay are available in a range of optional sizes and will come supplied in a card tray with a label.

    100 in stock

  • Amethyst Mounted on Base £1.50 ex VAT

    Stunning amethyst mineral specimens mounted on a polystyrene base. This amethyst was collected from Mexico, specimens exhibit the characteristic pointed tip crystal habit associated with many quartz family minerals.

    Out of stock

  • 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.

    13 in stock

  • 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.

  • Andradite Garnets

    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.

    Out of stock

  • 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

  • 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.

  • 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

  • Apatite Crystals (Green)

    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.

    383 in stock

  • Apatite Crystals (Rutilated) £2.30 ex VAT

    Single specimens of green rutilated apatite crystals found in Morocco which are very rare, these crystals exhibit small, fine black rutile crystals within the apatite crystal. These samples vary in size from approximately 1.5 – 3 cm. Specimens are supplied in a small polythene bag with a information label.

    Out of stock

  • Apophyllite £2.07£8.05 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.

    Out of stock

  • Apophyllite and Stilbite Crystal Beds £17.25£20.70 ex VAT

    Stilbite mineral specimens from various localities around the region of Maharashtra, India. High Quality specimens with tabular crystal habit and pale pink to orange colouration, which is emphasised by a vitreous lustre – which adds a wet asthaetic to the surface. Ideal for children, enthusiast and educational bodies. Stilbite is a well known mineral which belongs to the zeolite group. Available in various sizes, the pieces will come supplied in a card tray with a data label.

    Out of stock

  • Apophyllite With Stilbite Display Piece (1) £15.00 ex VAT

    A specimen of apophyllite with stilbite originating from Poona, India for display.

    Out of stock

  • 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.

  • 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.

  • 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.

  • Aragonite Groups – Kilo Bag £6.00 ex VAT

    1 kilogram of aragonite crystal beds, or groups from Morocco, these mineral specimens exhibit an off white colouration and botryoidal crystal forms and sometimes stalactitic. A form of calcium carbonate, this product is sold by weight, pieces will vary in size between 20 mm to 60 mm and come supplied in polythene bag with a label.

    Out of stock

  • Aragonite Sputnik – Kilo Bag £7.00 ex VAT

    1 kilogram of aragonite sputniks, also known as twinned aragonite crystals, these mineral specimens are roughly 20 mmto 40 mm in size, they exhibit an orange colouration and numerous radiating crystals similar to the Russian satellite, ‘Sputnik’. They come from Morocco are supplied in a polythene bag with a data label, purchasing them by weight is ideal if they are intended for educational use, talks, kits or other events where larger quantities are required for an economical cost.

    Out of stock

  • 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

  • Barian Celestine ( Barytocelestine )

    Specimens of barian celestine or barytocelestine from Chipping Sodbury Mine, Gloucestershire, UK. Specimens are supplied in a white card tray with an information label.

    Out of stock

  • Barian Celestine with Pyrite £4.60£11.50 ex VAT

    Specimens of barian celestine or barytocelestine with pyrite from Chipping Sodbury Mine, Gloucestershire, UK. Specimens are supplied in a white card tray with an information label, a must have for British mineral collectors.

    Out of stock

  • Barian Celestine with Sphalerite £9.20£13.80 ex VAT

    Specimens of sphalerite with barian celestine or barytocelestine from Chipping Sodbury Mine, Gloucestershire, UK. Samples are supplied in a white card tray with an information label, an excellent addition to any British mineral collection.

  • Baryte – Cumbria £2.07£5.54 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

  • Baryte – Force Crag £10.00 ex VAT

    A Baryte mineral specimen from Force Crag Mine, Cumbria, now disused. The specimen is dense, as expected of this mineral and is an off white colour, it exhibits a bladed crystal habit. The sample measures approximately 6 x 4.5 x 3 cm and weighs roughly 117 grams. The specimen comes supplied in a 3″ x 2″ white card tray with an information label. This piece is a must have for any British mineral collector.

    Out of stock

  • Baryte – Foss Mine £2.07£5.54 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.

  • Baryte – Somerset

    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.

    Out of stock

  • Baryte (Cockscomb Mass)

    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.

    Out of stock

  • Baryte Blades – Morocco

    Baryte crystal blade cluster from Erfoud, Morocco, measuring up to 4 inches in size, these mineral specimens exhibiting excellent crystal habits and calming colouration along with a slight sparkle when viewed in certain lighting conditions. Ideal pieces for display use.

    Out of stock

  • Baryte with Malachite and Azurite – Somerset £6.90£11.50 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

  • Barytes With Limonite and Pyromorphite £5.00 ex VAT

    A specimen of barytes coated in limonite with pyromorphite crystals from Les Farges, France. This specimen of barite displays white barite blades coated with limonite and pyromorphite crystal clusters. The sample measures approximately 4 x 3 x 2 cm and weighs roughly 29 grams. This piece would make a perfect addition to any smaller mineral collection.

    Out of stock

  • Bauxite

    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.

    300 in stock

  • Beryl

    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.

    Out of stock

  • Biotite Mica – Kilo Bag £7.00 ex VAT

    1 kilogram of biotite mica from Pakistan, this popular black variant of mica forms in sheets with an excellent basal cleavage, often refered to as books, they are ideal for educational material or kits, supplied by weight, the mineral specimens will come in a polythene bag with an information label.

    40 in stock

  • 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

  • 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

  • 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.

  • 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.

    Out of stock

  • Blue Calcite £4.60£145.75 ex VAT

    Blue calcite mineral samples supplied by weight, this blue variation is due to the presence of oxidised copper impurities within the crystals. These particular samples also show the rhombic crystal structure of calcite and can easily be seen with the naked eye. When formed in masses such as these pieces, the samples are known as ‘massive’. This blue calcite is available by weight, starting from 500 grams, and is suitable for lapidary, educational and enthusiasts use. the pieces vary from 20 mm to 100 mm though most pieces will sit in-between and come supplied in a polythene bag with a label.

    Out of stock

  • 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

  • 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

  • Bornite Mounted on Base £1.50 ex VAT

    Bornite mineral specimen from Sonora, Mexico; mounted on a polystyrene base. The minerals stand proudly, mounted (attached with glue) on a polystyrene base within a 1.5″ x 1.5″ card tray, information label attached. Ideal for geologists, collectors or simply those interested in mineralogy looking for an attractive display piece.

    Out of stock

  • Bornite With Quartz and Feldspar £2.30£10.58 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.

  • Brecciated Hematite

    Specimens of brecciated hematite found in Cumbria, UK. Specimens are supplied in a white card tray and come with an information label.

    Out of stock

  • Brown Dolomite – Kilo Bag £7.00 ex VAT

    1 kilo of brown Dolomite mineral specimens from Cumbria, UK. The crystals are often a rhombohedral shape and are on crystal beds which are a pale brown colour. Dolomite is an important sedimentary and metamorphic mineral, found in dolostones and metadolostones, and as an important mineral in limestones and marbles where calcite is the major mineral present. These samples are supplied by weight in lots of 1 kilo and come supplied in polythene bag with an information card, suitable for large quantities with an economical price.

    18 in stock

  • 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.

    200 in stock

  • 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

  • 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

  • Calcite and Fluorite – County Durham £4.00 ex VAT

    An excellent British mineral specimen exhibiting both calcite and fluorite crystals, the purple fluorite exhibit a cubic habit and vitreous lustre alongside grey calcite barrels. Found in Weardale, Durham, the sample is an excellent piece for serious collectors, measuring 60 mm in size and supplied in card tray with a label.

    Out of stock

  • 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

  • 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.

  • Calcite Rhomb – Kilo Bag £7.00 ex VAT

    Calcite rhombs, excellent mineral specimens supplied by 1 kilogram weight, the samples show a cubic cleavage as expected and vary in colour between white, grey and brown. A very soft mineral, calcite scratches easily and reacts with weak acid by fizzing. It will be supplied in a polythene bag along with an information card.

  • 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

  • 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

  • Carnelian – Kilo Bag £6.00 ex VAT

    1 kilo of Carnelian mineral specimens from India. Carnelian is a variety of chalcedony, which is also a variety of quartz. These specimens range from a deep orange/red to a bright orange colour, and show typical waxy texture. Sizes vary between 20 mm to 50 mm and come supplied in a polythene bag with a data label. Ideal for when large quantities are required for an economical cost.

    Out of stock

  • 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.

  • 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.

  • Celestine (UK) £2.07£2.59 ex VAT

    Celestine mineral specimens from Yate, Bristol in the UK, these samples have a white or clear colouration and are more translucent than the Madagascan material, the crystals tend to be less well formed and smaller but they are must have for those seeking specifically, British minerals. Available in various sizes and supplied in a card tray with a label.

    Out of stock

  • Chalcedony £2.07£6.21 ex VAT