Geology Superstore
Geology Superstore
  • Agate in Basalt (Scotland) £2.88 ex VAT

    Specimens of agate within basalt from Barras, Kincardineshire, Scotland. These samples of agate have a red to white colouration and have filled the cavities of basalt. Specimens are supplied in a white card tray with an information label.

    2 in stock

  • Agate Nodules – Isle of Rum £2.07£6.90 ex VAT

    Specimens of agate nodules from the Isle of Rum Scotland, UK. These mineral samples were part of an old stone masons collection and exhibit banded agate of various colours, a form of chalcedony, they break as such with a conchoidal fracture and can have sharp edges. Available in various sizes, the specimens are broken and rough without cutting or polishing. Excellent for collectors of Scottish minerals, they will make a fine addition to any collection.

  • Baryte – Dirtlow Rake £4.60£11.50 ex VAT

    Specimens of pink baryte from Dirtlow Rake, Castleton, Derbyshire, UK. These attractive specimens would make an ideal addition to any mineral collection, samples are supplied in a white card tray with an information label.

  • Baryte (Derbyshire) £1.15£4.03 ex VAT

    Specimens of bladed baryte from Derbyhire, UK. These specimens vary in colour from pale beige to white and display a bladed habit. These samples are supplied in a white card tray and are ideal for any collector of British material.

  • Baryte (Scotland) £2.07£3.45 ex VAT

    Baryte specimens from Silver Glen, Alva, Clackmannanshire, Scotland. These particular specimens are pale pink – red in colour, showing slight tabular habit. Supplied in multiple sizes, with a white card tray and an information label.

    Out of stock

  • Baryte Crystals – UK £2.88£5.75 ex VAT

    Specimens of crystalline baryte from Reigate, Surrey, UK. These particular pieces of baryte are crystals with various shades of yellow colour, the crystals are incomplete and therefore show no identifiable crystal system. Samples are supplied in a 1.5 ” x 1.5″ white card tray or in a plastic magnifier box with an information label. 

    Samples in small mag boxes are approximately 1 – 2 cm in size, samples in large mag boxes are roughly 2 – 3 cm in size. 

  • Baryte Tabular Crystal Beds (Cumbria) £2.07£10.93 ex VAT

    Specimens of white tabular baryte crystal beds from Cumbria, UK. Ideal for collectors of British mineral specimens. Samples are supplied a white car tray with an information label.

  • 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

  • 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.

  • Blue Baryte – Frizington Mine £1.00£3.31 ex VAT

    Specimens of blue baryte from Frizington Mine, Frizington, Cumbria, UK. These particular specimens of baryte are pale blue in colour and are within a matrix of massive brown dolomite, giving the pieces a wonderful contrast between colours. The samples are supplied in a white card tray with an information label and are an ideal piece for any British mineral collection.

    2 in stock

  • Botryoidal Lepidolite

    Botryoidal lepidolite mica mineral specimen which exhibit a lilac purple colouration. A major ore of lithium as well as rare earth alkaline metal, they mineral specimens come from Minas Gerais, Brazil and are available in a variety of sizes, each specimen will be supplied in a card tray with an information label.

    5 in stock

  • Brimstone – Elemental Sulphur

    Brimstone (elemental sulphur). A soft, bright yellow mineral. These specimens are a by-product of the oil & gas refining process.

    Out of stock

  • Calcite Crystal Beds – Milldam Mine £1.15£5.54 ex VAT

    Specimens of calcite crystal beds of varying colours from Milldam Mine, Derbyshire, UK. These ideal specimens for collectors of British minerals are supplied in a white card tray with an information label.

  • Calcite Spar – Nail Head

    Specimens of nail head calcite spar found in Cumbria, UK. Specimens are supplied in a white card tray with a information label.

    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.

  • Chalcedony (France) £3.45£24.15 ex VAT

    Specimens of chalcedony with quartz from Alabaster Coast, Normandy, France. These samples of chalcedony have a predominantly pale blue colouration with some inclusions of white and pale red material, some pieces also contain quartz crystal beds. These specimens are supplied in a white card tray with an information label.

  • 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

  • Chromite £2.07£7.71 ex VAT

    Chromite mineral specimens from Feragen chromium mines, Feragen, Røros, Sør-Trøndelag, Norway. Specimens are found along side many dunitic rocks as expected of this site, they are black in colour and fairly dense, available in a range of sizes, each supplied in a labelled card tray.

  • Citrine

    Citrine crystal bed specimens which come from Brazil, composed of numerous crystal points of citrine on a matrix, these mineral specimens exhibit a pale yellow to orange colouration and are supplied in a white card tray with a label.

    Out of stock

  • Citrine with Baryte

    Citrine crystal beds, exhibiting small, pointed to yellow points, a variation of quartz, these samples also include baryte, adding density to the samples. Found in Oughoud, Morocco, pieces will come supplied in a card tray with a label.

    Out of stock

  • Cobaltoan Dolomite £2.07£28.75 ex VAT

    Cobaltoan dolomite from the Kamoto mine in the Democratic Republic of Congo, Africa, well known for it’s striking pink colouration, this variation of the mineral, dolomite is quite rare, with only 5 known localities in the world. Specimens are available in various sizes and come in a card tray with a label. Exhibits excellent crystal beds with vibrant colours on a limestone matrix.

    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

  • 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

  • Crocoite £8.97£24.15 ex VAT

    toxic symbol

    TOXIC SUBSTANCE!

    Crocoite mineral specimens, composed of long single crystal clusters on a matrix, vibrant orange in colour, found in the famous Adelaide mine, Dundas, Tasmania, Australia, these are high quality, excellent specimens and are available in various sizes, supplied in a mag box or card tray with an information label. Due to the toxicity of this mineral, it will also come in a grip seal polythene bag.

  • Dogtooth Calcite and Selenite

    Dogtooth calcite and selenite crystals in limestone matrix, these mineral specimens appear to have formed in pockets in limestone, likely by action by water creating hollows, leaving transparent, glass like crystals behind. Collected from Jebel Saghro, Morocco, the samples are available in various sizes and come supplied in a card tray with a label.

    9 in stock

  • Dolomite – Brown

    Brown dolomite mineral specimens exhibit curved face dolomite crystals on massive dolomite matrix collected from Cumbria, the colouration is due to hematite staining from nearby former iron mine workings. High quality mineral specimens from the UK available in various sizes.

    Out of stock

  • Dolomite – Pink £1.84£5.29 ex VAT

    Dolomite crystal beds, pink in colour form Morocco, the presence of manganese results in a pale pink hue, these mineral specimens also have larger crystals than the UK material and are higher quality. Available in various optional sizes, supplied in tray with a data label.

  • Dolomite Rhombs (Ankerite) £2.07£5.75 ex VAT

    Specimens of massive grey dolomite with a somewhat rhombic form, most likely a form of ankerite from Aust-Agder, Norway. Specimens are supplied in a white card tray with an information label, an interesting variation of dolomite and a must have for any mineral collection. Please note that some specimens may contain small amounts of actinolite and therefore all care must be taken to avoid breaking or disturbing the actinolite.

  • Epidote – Morocco £2.30£3.57 ex VAT

    Epidote and quartz crystals on a matrix collected from Imichil, Er Rachidia, Morocco, these mineral specimens exhibit a rich grass green colouration mixed with the transparency of quartz tips, breaking up the colours. The crystal habit shows a typical radiating sheath form, making the pieces suitable for both collectors and educational use. Available in various sizes, the samples will come supplied in a card tray with a label.

    Out of stock

  • Epidote – Scotland £2.07£4.83 ex VAT

    Epidote in a massive form collected from Scotland, a pale green colour the epidote occurs as a layer on granite/gneiss and so can be found with feldspars and quartz alongside it. Available in various sizes, these mineral specimens will come supplied in a card tray with an information label.

    Out of stock

  • Erythrite £5.75£14.95 ex VAT

    toxic symbol

    Erythrite mineral specimens from Bou Azzer, Morocco exhibiting an eye catching crimson pink colour on a grey rock matrix, some times known as red cobalt, it has been associated with cobalt and silver deposits. This mineral is becoming exceedingly rare to obtain now days, each specimen will come supplied in a card tray with a data label.

  • Fire Opal Chips 50g £2.30 ex VAT

    Fire opal chips, varying between 5 to 10 mm in sizes from Mexico, exhibiting a vibrant, powerful orange and red colour with some yellow, very firey, supplied only by weight in lots of 50 grams the pieces will come in a pouch with a data label.

    Out of stock

  • Fluorite – Worton Hall Mine £3.45£14.95 ex VAT

    Specimens of fluorite crystal beds from Worton Hall Mine, Bainbridge, Wensleydale, Yorkshire, UK. These pieces of fluorite vary in colour from purple to clear or faint yellow, with some specimens containing marcasite inclusions. These samples are a must have for any British mineral collector, though the good quality of these specimens makes them ideal for any collection. Specimens are supplied in a white card tray with an information label.

    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.

  • Galena – Machen Quarry

    Specimens of galena from Machen Quarry, Newport, Wales. Perfect samples for any British mineral collection, they are supplied in a white card tray with an information label.

    Out of stock

  • Galena (Leadhills) £2.07£4.03 ex VAT

    Specimens of galena in matrix from Leadhills, South Lanarkshire, Scotland,UK. These samples display galena crystals of varying sizes and lustres within a matrix. Pieces are supplied in a white card tray with an information label, multiple sizes are available.

  • 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.

  • 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.

  • Green Jasper

    Green jasper 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.

    97 in stock

  • 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

  • Halite Crystal £2.30£4.03 ex VAT

    Specimens of halite crystals from the Boulby mine in Redcar, North Yorkshire, UK. These samples are ideal for mineral collectors as they display an excellent cubic crystal habit. Specimens are available in two colours, clear translucent pieces and samples with a faint orange hue. Supplied two sizes, small pieces are roughly 20 – 45 mm in size whilst large samples are roughly 45 – 65 mm.

  • 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

  • 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.

  • Honey Calcite (By Weight) £4.60£61.40 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. This honey 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.

  • Hornblende £2.07£3.31 ex VAT

    Hornblende in massive form, collected from Norway, these mineral specimens exhibit a platy cleavage, black to dark green colouration and a dark grey streak. The samples are available in various sizes, show excellent vitreous lustre and will come supplied in a card tray with a label.

    Out of stock

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