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    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.

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    Out of stock

  • 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.

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  • Aragonite Sputnik – 250g £7.00 ex VAT

    250 grams 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.

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  • Biotite Mica – Kilo Bag £5.00 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.

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    35 in stock

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    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.

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    Out of stock

  • 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.

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    Carnelian – Kilo Bag £10.00 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.

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  • Chalcedony – Kilo Bag £7.00 ex VAT

    1 kilogram of chalcedony fragments from lined geodes, collected from Morroco, these mineral specimens exhibit a botryoidal crystal form and a faded blue or white colour.The sizes of the samples vary between 20 mm to 60 mm and come supplied in a polythene bag by weight, ideal where larger quantities may be required for a low cost such as for schools, talks, kits or more.

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  • Chalcopyrite (1kg) £10.00£40.00 ex VAT

    Chalcopyrite mineral specimens from Morocco, available in both 1kg and 5kg options. Chalcopyrite is a well known copper iron sulphide mineral and also a major copper ore, it has a brassy yellow colour and a metallic lustre, however, overtime, this lustre can dulls as oxidation takes place. Ideal for schools, educational and teaching use, specimens supplied are a range of sizes and come in a strong polythene bag.

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    Chromite – Kilo Bag £10.00 ex VAT

    1 kilo of Chromite mineral specimens from Norway, the chromite appears black in colour and can also come mixed with serpentine (green). Often found in peridotite from the Earth’s mantle, the specimens are a massive form and are very dense.These mineral specimens are ideal for schools, educational and teaching use, specimens are supplied in a range of sizes and come in a strong polythene bag by kilo weight.

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  • Dolomite (Brown) – Kilo Bag £10.00 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.

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    16 in stock

  • Epidote – Kilo Bag £10.00 ex VAT

    1 kilo of the mineral, epidote, a deep green coloured mineral which was collected from Arendal, Norway in massive form. These samples are available by weight, ideal if you require a large amount for a more cost effective prices, the pieces vary between 20 to 100 mm in size and will come seal in a polythene bag with a small information card.

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  • Galena and Baryte – Kilo Bag £7.00 ex VAT

    1 kilogram of galena with baryte, collected from Morocco, these mineral specimens are excellent to show associations between certain ores. The samples vary between 20 mm to 50 mm in size and come supplied by weight in a polythene bag with an information label. These contrast of colours between off white baryte and blue galena with a metallic lustre, make for instresting samples to observe. NOT SUITABLE FOR CHILDREN UNDER 12 YEARS OLD.

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    47 in stock

  • Gypsum Satin Spar – Kilo Bag £10.00 ex VAT

    1 kilo of gypsum mineral specimens, particular the variant, satin spar These samples exhibit the needle like fibrous crystal structure expected of gypsum. 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 40 mm and come supplied in a polythene bag with an information card.

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    43 in stock

  • Halite – 1kg £5.00 ex VAT

    Halite mineral specimens supplied in bags of 1kg. Excellent quality samples mined from Bouldy mine, Redcar in Yorkshire, UK, the pieces are clear to orange and transluscent, some may show cubic crystal cleavage too as well as inclusions of clay. Supplied in a bag of 1kg along with an information card.

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    Kaolinite Powder – 250 grams £3.00 ex VAT

    The mineral size ranges from approx 1cm in size down to fine grains. Supplied in a thick, sealed polythene bag with label containing 250 grams.

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  • Lapis Lazuli (1kg) £24.00 ex VAT

    Specimens of Lapis Lazuli, collected from Afghanistan. Despite beliefs of lapis lazuli being a mineral and gemstone, it is in fact a metamorphic rock. Lazurite is the primary mineral that contributes to its distinct blue colouration. Calcite and pyrite are the other constituent minerals that make up this rock. These specimens come in a heavy duty polythene bag with pieces of various sizes.

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  • Limonite – Kilo Bag £10.00 ex VAT

    1 kilo of Limonite mineral specimens from Australia, a common material in oxidized zones of iron-bearing deposits. Limonite is produced by decomposition of iron minerals, e.g. pyrite etc. These specimens are an earthy brown colour, and some will show banding features. ideal for schools, educational and teaching use.

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    20 in stock

  • Magnetite – Kilo Bag £7.00 ex VAT

    1 kilo of Magnetite mineral specimens from Norway, the specimens are the massive form of magnetite, and are a dark grey, black colour. Magnetite is a ferrimagnetic mineral and the most naturally occurring magnetic mineral found. Ideal for schools, educational and teaching use. Iron rich examples of pure black magnetite ore from the famous Nesikilen mines. Arendal. Aust-Agder. Southern Norway. These samples are supplied by weight and come in varying sizes along with an information card.

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  • Milky Quartz – Kilo Bag £6.00 ex VAT

    1 kilo of white quartz mineral specimens from Norway, also known as snow quartz, or milky quartz, milky quartz is a white coloured variety of the quartz mineral. Ideal for schools, educational and teaching use, specimens supplied are a range of sizes and come in a strong polythene bag by kilo weight.

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  • Moss Agate – Kilo Bag £8.00 ex VAT

    1 kilo of moss agate mineral specimens from India. Agate is a distinctly banded variety of chalcedony, belonging to the quartz family. These particular specimens are a dark green colour, hence the name ‘moss agate’ but sometimes may exhibit red spots, known as blood stone. Kilo bags are ideal for schools, educational and teaching use, specimens supplied are a range of sizes and come in a strong polythene bag with a label.

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  • Muscovite Mica – Kilo Bag £10.00 ex VAT

    1 kilo of muscovite mica mineral specimens from Pakistan. A common form of mica group minerals, these specimens show typical crystalline material in “books” or flaky forms. It is clear with a pearly luster which is seen on the cleavage faces, and is the main mineral which often gives rocks a ‘sparkly’ look. Ideal for schools, educational and teaching use, specimens supplied are a range of sizes and come in a strong polythene bag by kilo weight.1 kilo of muscovite mica mineral specimens from Pakistan. A common form of mica group minerals, these specimens show typical crystalline material in “books” or flaky forms. It is clear with a pearly luster which is seen on the cleavage faces, and is the main mineral which often gives rocks a ‘sparkly’ look.

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  • Oligoclase – Kilo Bag £10.00 ex VAT

    Oligoclase specimens supplied by weight. These particular specimens are rough and unpolished, also containing quartz and come from India, the samples will come supplied in a polythene bag along with an information card, the pieces inside will vary in size between 20 mm to 75 mm, purchasing by weight is ideal for classes, kits or other events where larger quantities are required for a more cost effective price.

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    Olivine (1kg) £12.00 ex VAT

    This pure olivine, also known as Dunite Peridotite shows a bright green colouration. The specimens come from Norway and may contain streaks of the rare mineral Kammererite which appears silver in colour. Some specimens may be granular in texture whereas some may be more crystalline. Specimens are supplied in a polythene bag in lots of 1 kg with a label.

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  • 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

  • Orange Gypsum Satin Spar – Kilo Bag £8.00 ex VAT

    Oragne gypsum, particularly, the variety, satin spar, due to it’s fibrous needle like crystals, available by weight in lots of 1 kilogram bags, supplied in a polythene bag with a label, the gypsum exhibits an orange hue due to the presence of hematite. An excellent source of a quantity of minerals for effective costs, suotable for educational use, kits or more, the pack also comes with a data label.

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  • Orthoclase Feldspar – Kilo Bag £7.00 ex VAT

    1 kilo of orthoclase feldspar mineral specimens from Norway. The mineral specimens are a pale pink colour, and show the typical cubic cleavage expected from orthoclase feldspar. Ideal for schools, educational and teaching use, specimens supplied are a range of sizes and come in a strong polythene bag by kilo weight.

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    4 in stock

  • Purple Quartz – Kilo Bag £10.00 ex VAT

    1 kilogram of purple quartz mineral specimens from Morroco, the crystal beds exhibit quartz crystal points in beds on agate or chalcedony, the colour is a hue of purple, but faded. Sizes of samples supplied in the pack vary between 20 mm to 60 mm and come in a polythene bag with an data card. Suitable for craft use, schools and more where more pieces are required.

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  • Pyrite – Kilo Bag £8.00 ex VAT

    1 Kilo of Pyrite mineral specimens from Morocco, commonly know as ‘Fools Gold’ The specimens show the typical brassy yellow colour which some mistake for gold, as well as the usual cubic cleavage on the mineral faces. Ideal for schools, educational and teaching use, specimens supplied are a range of sizes and come in a strong polythene bag by kilo weight.

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    43 in stock

  • Pyrite Norway – Kilo Bag £5.00 ex VAT

    1 kilo of Pyrite in Massive form, from Norway. Pyrite massive is a crystalline rock form of the popular mineral specimen, Pyrite. Also known as ‘Fools Gold’ The Pyrite massive mineral specimens appear to shine in a glittering manner when exposed to the sun or a bright light. Ideal for schools, educational and teaching use.

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    498 in stock

  • Quartz Geode – Kilo Bag £9.00 ex VAT

    1 kilo of quartz geode fragments from the Sahara desert, Morocco. The specimens are random single pieces of split geodes lined with the mineral quartz, giving off a sparkling white colour. Ideal for schools, educational and teaching use, specimens supplied are a range of sizes and come in a strong polythene bag by kilo weight along with a data card.

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  • Rock Crystal – Kilo Bag £9.00 ex VAT

    1 kilo of clear transparent rock crystal chunk mineral specimens. The rock crystal mineral specimens are a clear form of quartz, they show a conchoidal fracture when observed closely and are ideal for schools, educational and teaching use, specimens supplied are a range of sizes and come in a strong polythene bag by kilo weight..

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  • Rock Crystal Points and Bodies – Kilo Bag £7.00 ex VAT

    1 kilogram of rock crystal points and bodies (fragments) from Morocco, transparent with inclusions, this B grade material varies in size between 20 mm to 100 mm, also known as quartz points, they are excellent value for money where large quantities may be required such as for crafts, educational use, kits or more. Supplied in a polythene bag with a label.

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  • Rose Quartz – Kilo Bag £6.00 ex VAT

    1 kilo of rose quartz mineral specimens. A pink colour variation of the mineral Quartz is a popular mineral specimen due to its vibrant pink colour making it stand out. Ideal for schools, educational and teaching use, specimens supplied are a range of sizes and come in a strong polythene bag by kilo weight, sizes varying between 20 mm to 70 mm. They may also have sharp edges and care is advised when handling the samples.

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  • Talc (1kg) £8.00 ex VAT

    Specimens of Talc, collected from Egypt. Talc is a common clay mineral that is easily identifiable due to its greasy texture. Talc is extremely soft, with a hardness of just 1 on Mohs scale and is also the primary component in talcum powder. These specimens are pale green in colour. They come in a heavy duty polythene bag with pieces of various sizes.

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