Geology Superstore
Geology Superstore

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  • Bixbyite Crystals on Topaz £2.30 ex VAT

    Specimens of topaz with bixbyite from Topaz mountain, Utah, USA. The bixbyite exhibits a black colour with metallic lustre, contrasting amazingly against the golden brown colour of the topaz crystals they are covering. The topaz crystals are around 1 – 3 cm in size and exhibit inclusions of small bixbyite crystals. The samples are small so will come supplied in a small polythene bag with an information label.

  • Copper – Native

    Native copper ore mineral specimens from the famous Keweenaw copper deposits of Mitchigan, U.S.A. The specimens have a heavy red-orange metallic specimens with streaks of blue-green oxidation and a wiry crystal habit. Available in a range of sizes.

    Out of stock

  • Corundum var. Sapphire – U.S.A. £2.07 ex VAT

    Specimens of pale blue corundum also known as sapphire from the U.S.A, supplied in a small polythene bag with an information label. Ideal for collectors of crystals. Crystals vary in size from roughly 2 – 3 cm in length.

    7 in stock

  • Honey Calcite £2.45£5.11 ex VAT

    Honey calcite mineral specimens from Mexico which exhibit a yellow to orange colouration due to impurities of iron from the mineral hematite. The specimens are crystalline in nature and can exhibit a rough rhombic form as expected of calcites. They are translucent, letting some but not all light through, which gives them an eye catching ‘glow’. The samples are ideal for enthusiasts, hobbyists and collectors and are available in various sizes. Each piece will come supplied in a card tray with a label.

  • Iridescent Goethite (Graves Mountain) £5.75£34.50 ex VAT

    Specimens of iridescent goethite with quartz from Graves Mountain, Georgia, U.S.A. These peculiar pieces are a must have for any mineral collector. Various sizes are available, samples are supplied in a white card tray with an information label.

  • 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.

    18 in stock

  • Optical Calcite – Iceland Spar

    Iceland spar mineral specimens from Santa Eulalia, Chihuahua, Mexico, samples are crystal clear, exhibit perfect rhombic shape and excellent double refraction. They are available in 2 sizes only and will come supplied in a card tray with a label.

    20 in stock

  • Peacock Ore – Mexico £4.00 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.

    20 in stock

  • Pyrite – Peru £5.75£8.05 ex VAT

    Specimens of Pyrite from Peru. These particular samples are a higher grade than our Moroccan material and display visible crystal structure, ideal for both mineral collectors and educational use. Specimens are supplied in a white card tray with an information label.

  • Realgar and Orpiment Mounted on Base £2.40 ex VAT

    Orpiment mineral specimens form Nevada, USA exhibiting a striking yellow or orange colouration with expected earthy lustre and granular texture. Orpiment is a arsenic sulfide mineral so is highly toxic, not suitable for children. It forms in various places such as fumaroles, hydrothermal veins and hot springs. These specimens we formed as a by product of realgar, approximately an inch in size, they will come supplied mounted and within a card tray with a label and sealed in a polythene bag.

    Out of stock

  • Realgar Mounted on Base £3.00 ex VAT

    Realgar mineral specimens in massive form from the state of Nevada, USA. Highly toxic, this mineral has a vibrant, eye catching colours of red, orange and yellow. The mineral its self is an arsenic sulfide and is extremelty toxic to humans and animals. For this reason, you confirm upon purchase that you are at least 18 years old. The specimens will be supplied in a polythene bag and it is advised you wash your hands after handling the sample.

    Out of stock

  • Ulexite £1.73£16.10 ex VAT

    Minerals specimens of Ulexite from California, USA. These particular samples are uncut and are ideal for mineral collectors, available in multiple sizes and supplied in a white card tray.

  • Vesuvianite £2.30 ex VAT

    Specimens of vesuvianite crystals from Mexico. Samples vary in size from roughly between 5 to 15 mm, ideal for mineral collectors they are supplied in a polythene bag with an information label.

    49 in stock

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