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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..
We ship to all 50 states, Washington DC.
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Always free shipping for orders over US $200.
During sale periods and promotions the delivery time may be longer than normal.
Elessi will accept exchanges and returns of unworn and unwashed garments within 30 days of the date of purchase (14 days during the sales period), on presentation of the original till receipt at any store where the corresponding collection is available within the country of purchase.
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.
Please allow 1-3 business days for refunds to be received to the original form of payment once the return has been processed.
Give us a shout if you have any other questions and/or concerns.
Email: contact@mydomain.com
Phone: +1 (23) 456 789
Rock crystal is the name given to transparent, clear quartz, so clear are these mineral specimens that they almost look like large chunks of shattered glass. Quartz is the most common mineral found at the surface of the earth and rock crystal is one of the most common, colourless, it is fairly hard and on some of the larger surfaces may show a conchoidal fracture. These pieces of rock crystal are available by weight, they vary in size between 20 mm to 60 mm and come supplied in a polythene bag with an information label.
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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.
499 in stock
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.
Out of stock
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.
10 in 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.
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 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.
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.
Out of stock
1 kilo of Talc mineral specimens from Egypt. Talc is often found as foliated masses commonly being green or bright green/blue in colour, it is ‘1’ on Moh’s scale of hardness and has a typical greasy lustre and feel to it. 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 of samples vary between 20 mm to 70 mm and are thin due to talcs crysatline form.
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 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.
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.
32 in stock
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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