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500g bags of Tiger eye, a metamorphic rock, often classified as a mineral, comprised of numerous golden brown fibrous crystals which stem from the mineral previously being asbestos. These samples come from South Africa.
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Your return will usually be processed within a week to a week and a half. We’ll send you a Return Notification email to notify you once the return has been completed.
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Tigers eye is a metamorphic rock classed as a gemstone due to its high quality, crystal habit and the cutting and polishing it can take. Often found to be a mixed of gold and brown colours with an silky lustre, it has a fibrous crystal habit, meaning that the rock is comprised of numerous ,fine, needle like crystals which are fragile. It forms from when quartz crystals forms around and over the previously existing mineral, crocidolite which is blue to grey in colour and actually an asbestos mineral, and eventually entirely replaces it, resulting in the tigers eye we see now.These particular specimens come from South Africa.
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1 kilo of pink Dolomite mineral crystal bed specimens from Morocco. The crystals are often a rhombohedral shape and are a pale pink 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.
Out of stock
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.
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.
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.
Out of stock
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.
17 in stock
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.
48 in stock
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.
1 kilogram 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.
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.
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..
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.
500 grams of graphite chips and particles from Sri Lanka, excellent quality material with a metallic lustre. Graphite is pure carbon and is used almost every day in modern society as it is the lead which is used in pencils, replaced decades ago to replace actual lead (galena) due to it’s toxic effects. Available in packs containing 500 grams along with an information card.
Out of stock
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