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500 grams of Galena mineral specimens from Cumbria, UK. Galena is the main mineral ore or lead often found in ore veins with sphalerite, pyrite, chalcopyrite, etc and in sedimentary rocks as beds or impregnations, the Galena specimens show typical cubic cleavage and have a dull metallic lustre.
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500 grams of Galena mineral specimens from various locations in UK. Galena is the main mineral ore or lead often found in ore veins with sphalerite, pyrite, chalcopyrite, etc and in sedimentary rocks as beds or impregnations, the Galena specimens show typical cubic cleavage and have a dull metallic lustre. May contains some fluorite, as difficult to obtain pure galena.
These mineral specimens are ideal for schools, educational and teaching use, specimens are supplied are a range of sizes and come in a strong polythene bag by 500 gram weight.
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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.
40 in stock
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.
Out of stock
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 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.
51 in stock
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.
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.
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.
12 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 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.
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 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.
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.
Out of stock
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