Geology Superstore
Geology Superstore
  • Baryte, Galena and Fluorite Showing Paragenesis £3.60£6.20 ex VAT

    Layered mineral specimens consisting of bands of baryte, galena and fluorite, collected from Weardale, County Durham in the UK. These specimens display the process of paragenesis in a hydrothermal vein which is the sequence at which the minerals form based on order of solubility. Galena is a lead ore and thus has an important industrial role whereas Baryte and galena are “gangue minerals” and so have a much lower economic value when in small quantities. These samples come supplied in a white card tray with an information label and are ideal for educational purposes,

    Out of stock

  • 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.

  • Chalcopyrite

    Chalcopyrite mineral specimens from Sulitjelma, Norway, a major copper ore mineral, these pieces exhibit excellent quality chalcopyrite detailing the shiny brassy yellow colouration and metallic lustre expected. These mineral specimens are approximately 70% – 80% chalcopyrite and are available in various sizes and come supplied in card tray with an information label.

    Out of stock

  • 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

  • Galena

    Galena mineral specimens from the famous Coldstone quarry, Nidderdale, Yorkshire. Well known for producing excellent metallic blue pure galena samples showing excellent cubic crystal form with very little else. Suitable for collectors and for educational use, supplied in a card tray with an information label.

    Out of stock

  • Galena – Ladywash Mine £3.45£17.25 ex VAT

    Specimens of galena with a high level of purity from Ladywash Mine, Eyam, Derbyshire, UK. These remarkable samples are ideal for collectors due to their purity with only small amounts of matrix present, samples are available in multiple sizes and supplied in a white card tray with an information label.

  • Graphite £2.30£9.20 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.

  • Gypsum – Satin Spar £2.07£5.54 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.

    436 in stock

  • Hematite – Morocco £2.01£5.46 ex VAT

    Hematite mineral specimens from Oughoud, Morocco showing excellent botryoidal crystal form and metallic lustre. The samples stain very easily, they exhibit a deep red colouration and are ideal for educational purposes as text book examples available in optional sizes and supplied in a card tray with a label.

    Out of stock

  • Kaolinite £2.07£3.31 ex VAT

    Kaolinite is a clay mineral specimen which is used extensively in industry, it is a soft, fragile mineral and is also known as China clay. Formed form the breakdown of feldspar minerals, these samples come from Cornwall, UK and is available in 2 sizes, supplied in a card tray with a label.

    Out of stock

  • Lepidolite Mica – Zimbabwe

    Lepidolite mica mineral specimens exhibiting a fine crystalline and granular form as opposed to a single sheet. These samples come from Zimbabwe and though are massive, still exhibit a lilac colouration and metallic lustre, available in various sizes and supplied in a card tray with a data label.

    4 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.

    24 in stock

  • 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.

  • Sphalerite – Cumbria

    Specimens of sphalerite from Cumbria, UK. These samples are a must have for any British mineral collector, however they would also be ideal for educational use as a teaching aid. Specimens are supplied in a white card tray with a label.

    Out of stock

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