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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  • Augite Andesite £2.25£6.00 ex VAT

    Augite andesite igneous rock specimens from Thirlmere, Cumbria, UK which are of late Ordovician age which form part of the Barrowdale volcanic group. The samples are of intermediate composition and contain phenocrysts of the pyroxene mineral, augite, giving the normally dark blue rock a black speckled appearance. The samples are available in 3 sizes and come supplied in a card tray with a label.

    We also supply Augite Andesite thin sections for microscope study which are available to buy HERE.

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    84 in stock

  • Baryte – Derbyshire £1.50£3.50 ex VAT

    Specimens of Baryte, collected from Derbyshire. Baryte is a dense, common, well known mineral. These specimens exhibit bladed crystals and range in colour from pale beige to off white. Specimens are available in multiple sizes and come in a white card tray with an information label.

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  • Baryte – Dirtlow Rake £2.25£6.00 ex VAT

    Specimens of Baryte, collected from Dirtlow Rake, Castleton, Derbyshire, UK. Baryte is a widely occurring mineral, consisting of barium sulphate. It is very dense and can occur with many crystal habits. These specimens are available in multiple sizes and come in a white card tray with an 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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  • Blue Calcite £2.25£6.00 ex VAT

    Specimens of Blue Calcite, collected from Mexico. Calcite is a common mineral with a variety of potential forms and colours, notable for its relatively low hardness of 3 on Mohs Scale. These specimens exhibit a pale blue – grey colour. They are available in multiple sizes and come in a white card tray with an information label.

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    25 in stock

  • Chalcedony (France) £2.25£8.00 ex VAT

    Specimens of Chalcedony, collected from Alabaster Coast, Normandy, France. Chalcedony is a silicate mineral and part of the quartz family. These specimens range from pale blue/purple to deep orange/brown in colour. They are available in multiple sizes and come in a white card tray with an information label.

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  • Chalcopyrite – France £1.50£3.50 ex VAT

    Specimens of Chalcopyrite, collected from France. Chalcopyrite is a major copper ore. It has a brassy yellow colour and metallic lustre. Over time, this lustre will fade however as oxidation occurs. These specimens are available in multiple sizes and comes in a white card tray with an information label.

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    25 in stock

  • 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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  • Fluorite – Weardale £4.00£32.40 ex VAT

    Fluorite crystal bed specimens from Weardale, Co. Durham, UK. Available by weight, these mineral specimens are excellent as they exhibit the fluorite cubic crystal habit and the vast majority of specimens allow this to be viewed with the naked eye. They come supplied in a polythene bag with an information label and are ideal for mass purchasing, such as for museum information tasks, educational use and more.

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    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.

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    Out of stock

  • Garnets in Biotite £2.25£6.00 ex VAT

    Specimens of Garnets in Biotite, collected from Agder, Norway. The garnets in these pieces are almandine garnets, which are the most popular and common variety. These specimens exhibit deep red garnet crystals within a matrix of black biotite mica. They are available in multiple sizes and come in a white card tray with an 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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  • Mineral Specimen Cards (25 cards) £1.25 ex VAT

    Mineral specimen sample cards, these cards are blank having spaces for you to write the ‘name’, and ‘locality’ of a rock specimen or specimens collected. Ideal for conducting field work or cataloging your collection. 73mm x 46mm.

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    3253 in stock

  • Orange Calcite (1kg) £10.00 ex VAT

    Orange calcite is a coloured variation of the mineral calcite (calcium carbonate), it has an orange hue to it due to the presence of haematite impurities, these particular specimens exhibit a more crystalline, fine grained crystal texture in which the individual crystals are too fine to be seen, however, the crystal have grown and interlocked with each other to form a large mass, known as ‘massive’. Calcite its self is among the most common mineral found naturally, quite often as mineral deposits but also in many sedimentary rocks, either as a cement or as crystal inclusions, particularly limestone. It is well known for being a fairly soft mineral, easily scratched, coming in at 3 on the Mohs scale of hardness. These particular pieces are suitable for enthusiasts and educational use, both because of the calming blue colour and also the crystal structure and as a means to display the various colours a mineral can be found. Supplied in lots of 1kg, in a heavy duty polythene bag with information label.

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    1 in stock

  • Pink Agate (India) £1.50£6.00 ex VAT

    Specimens of Pink Agate, collected from India. Agate is a common silicate mineral and variation of chalcedony. These specimens are pale pink in colour with small to moderate amounts of brown agate present. Specimens are available in multiple sizes and come in a white card tray with an information label.

     

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  • Polyhedral Agate Display Specimen 02

    A display specimen of an uncut polyhedral agate from Paraiba, Brazil. The piece measures approximately 12.5 x 8 x 2.8 cm at its widest points and weighs roughly 277 grams.

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    1 in stock

  • Pyrite – Peru £2.00£7.50 ex VAT

    Specimens of Pyrite from the Chispa Mine, Huanzala, 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.

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    Quartz in Basalt (Scotland) £1.15£5.54 ex VAT

    Specimens of clear quartz crystal beds within basalt from Barras, Kincardineshire, Scotland. Pieces are supplied in a card tray with an information label. These are ideal samples for collectors of British minerals and rocks.

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    Out of stock

  • Quartz Tea Light Holders £9.99 ex VAT

    Beautiful Quartz tea Light Holders, each made from 100% natural quartz crystals and equipped with a cushioned base. Each item showcases unique variations in colour, texture, and formations, making them one-of-a-kind. The soothing tones of quartz, create a captivating visual display that resonates with the serenity of nature. Each tea light holder spans a spectrum of colours from clear to cloudy white, and we have equipped them all with a cushioned base. This protects your furniture from scratches or damage. Since these items are made from 100% natural quartz, please note that some scratches and staining may be visible. Enhance your home with our Quartz Tea Light Holders, bringing a touch of the earth’s beauty into your everyday life.

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  • Selenite Pencils £9.99 ex VAT

    elenite pencils are exquisite and captivating mineral formations that showcase the natural beauty of selenite, a form of gypsum. They exhibit a pristine translucence that allows light to pass through, creating a mesmerising glow when held to the light. Each selenite pencil measures approximately 14cm in height and 4cm in width whilst being smooth and well weighted. This makes them easy to hold whilst remaining promenant enough to stand out as a decorative piece. They all feature a flat, hexagonal base, making them easy to stand on a range of surfaces. Since these items are made from 100% natural selenite, it is common to expect some slight variance between each specimen, whether that be in shape, size or the occasional scratch. Despite this, these selenite pencils would make a great addition to any room, adding some flair and elegance.

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    9 in stock

  • Selenite Tea Light Holders £7.99 ex VAT

    Beautiful Selenite tea Light Holders, each made from 100% natural selenite and equipped with a flat base. Each item showcases unique variations in colour, texture, and formations, making them one-of-a-kind. The soothing tones of quartz, create a captivating visual display that resonates with the serenity of nature. Each tea light holder is white in colour and features a flat base. Since these items are made from 100% natural selenite, please note that some scratches and staining may be visible. Enhance your home with our Selenite Tea Light Holders, bringing a touch of the earth’s beauty into your everyday life.

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    20 in stock

  • Sold Out
    Sphalerite (Leadhills) £2.07£4.03 ex VAT

    Sphalerite mineral specimens from Leadhills, South Lanarkshire, Scotland, UK. Samples are of the massive form of the zinc sulphide mineral and depicts a dull yet metallic lustre and colouration. The samples are dense and excellent for British mineral collectors.The pieces are supplied in a white card tray with an information label.

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    Out of stock

  • Streak Plates – Black £0.40 ex VAT

    Streak plates in a black colour made form porcelain, tough and ideal for performing streak tests, to asses minerals or mineral content of a rock sample, each plate is 45 x 45 mm in size and has a fine texture surface. Excellent for field geologists and earth science students.

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  • Streak Plates – White £0.40 ex VAT

    An off white coloured streak plate made form porcelain, they are used by field geologists and students as a means of performing streak tests on minerals. This test simply involves one, scratching the surface of the tile with a particular rock or mineral, the coloured streak left behind then assists the user in determining the mineral, or minerals within a rock sample.

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