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PRODUCTS BY WEIGHT
BOX SETS
PLASTIC DISPLAY PRODUCTS
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Specimens of Olivine, collected from Norway. Olivine is a rock forming mineral with a distinct green colouration. These pieces range in texture from granular to more crystalline, and may contain grey silver streaks of Kammererite. Specimens come in lots of 1kg, in a heavy duty polythene bag with an information label. Pieces come in various sizes.
Out of stock
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Specimens of Olivine, collected from Norway. Olivine is a rock forming mineral with a distinct green colouration. These pieces range in texture from granular to more crystalline, and may contain grey silver streaks of Kammererite. Specimens come in lots of 1kg, in a heavy duty polythene bag with an information label. Pieces come in various sizes.
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Olivine dolerite igneous rock specimens from Clee Hill, Shropshire, UK, composed of pyroxene minerals such as augite and magnetite as well as plagioclase feldspar. The samples are fine grained and crystalline in texture with a dense weight and black colouration. Similar in appearance to gabbro and basalt, the rock samples are suitable for serious collectors or higher level education to explain the difference in chemistry and mineralogy of igneous rocks. The samples are available in three sizes and supplied in a card tray with an information label.
We also supply Olivine Dolerite thin sections for microscope study which are available to buy HERE.
62 in stock
These specimens of ‘Preseli Bluestone’ are a form of Spotted Dolerite. The samples originate from the Preseli Hills of Wales, and were transported by a glacier & deposited as glacial erratics. Specimens are supplied in a polythene bag in lots of 1 kg with a label.
Out of stock
Olivine mineral specimens from Åheim, Norway, samples vary from granular to crystalline but all exhibit a bright olive green colouration. Collected by staff, olivine is a subsurface mineral which is unstable at the surface and weathers easily, making it rare. It may also contain the gemstone, peridot as well as kammererite. Available in various sizes and supplied in a card tray with an information label.
Adamellite granite also known as shap granite from Cumbria, famous for its large pink feldspar crystals his granite is well known. The samples come from the Shap Quarry, Shap Fell, Cumbria and are supplied in a polythene bag in lots of 1 kg with a label.
Igneous Basalt of Tertiary age from Northern Ireland. Specimens are typical black in colour and has a fine grained texture. Specimens are supplied in polythene bags in lots of 1 kg and are come with an information label.
73 in stock
Garnet peridotite igneous rock specimens found in the Gusdal Olivine Pit, Åheim, Norway is an ultra mafic rock which contains high pressure and temperature minerals such as olivine and garnet crystals. Exhibiting a green colouraiton with striking red spots, these samples were pushed up to the earths crust during the Caledonian orogeny during the Ordovician and Devonian period over 400 million years ago. The specimens are dense as expected and are ideal for children and serious collectors because of the colourful appearance as well as for higher educational use to describe deep mantle material as well as orogenic processes. The hand samples are available in various sizes and come supplied in a card tray with an information label.
We also supply Garnet Peridotite thin sections for microscope study which are available to buy HERE.
169 in stock
Specimens of Biotite Mica, collected from Pakistan. Biotite Mica is a black, platy mineral that forms in sheets. It is a major rock forming mineral, especially in rocks of igneous or metamorphic origin. Specimens come in lots of 1kg, in a heavy duty polythene bag with an information label. Pieces come in various sizes.
35 in stock
Specimens of Orange Calcite, collected from Mexico. Orange calcite is a variation of the mineral calcite. The distinct colouration of these specimens is due to the prescence of haematite impurities. These specimens come in a heavy duty polythene bag with pieces of various sizes.
Out of stock
Specimens of Amethyst, collected from Brazil. Amethyst is a popular mineral, and variation of quartz with a distinctive purple colouration due to the presence of impurities during formation. These specimens come in lots of 1kg, in a heavy duty polythene bag. Pieces come in various sizes.
Out of stock
Specimens of Orthoclase Feldspar, collected from Norway. Orthoclase Feldspar is common and major rock forming mineral. It has two cleavage planes at right angles to each other, which causes the crystals to break into rhombic forms. It often has a pale pink colour but can also be white or pale grey. These specimens come in lots of 1kg, in a heavy duty polythene bag. Pieces come in various sizes.
4 in stock
Specimens of Moss Agate, collected from India. Moss Agate is a silicate mineral with a deep green colouration, but can sometimes have inclusions of white, blue or red. It is not strictly an agate but more closely related to chalcedony. Specimens come in lots of 1kg, in a heavy duty polythene bag. Pieces come in various sizes.
Specimens of Magnetite, collected from Norway. Magnetite is a major iron ore, with a dark grey to black colouration. Magnetite is also one of the most magnetic of the iron minerals, and as expected it is also highly dense. These specimens come in lots of 1kg, in a heavy duty polythene bag. Pieces come in various sizes.
Specimens of Milky Quartz, collected from Norway. This mineral has a variety of names, including white quartz, snow quartz and milky quartz. This is due to its translucent to opaque white colouration. These specimens come in lots of 1kg, in a heavy duty polythene bag. Pieces come in various sizes.
Specimens of Blue Calcite, collected from Mexico. Blue calcite is a variation of the mineral calcite. The distinct colouration of these specimens is due to the prescence of oxidised copper impurities. These specimens come in a heavy duty polythene bag with pieces of various sizes.
Out of stock
Specimens of Oligoclase, collected from India. Oligoclase is part of the sodium plagioclase feldspar group and is common alongside orthoclase feldspar. Specimens come in lots of 1kg, in a heavy duty polythene bag. Pieces are in various sizes.
Specimens of Orange Gypsum Satin Spar, collected from Morocco. Gypsum is an evaporite mineral that can come in many forms. Gypsum is a soft mineral, with a hardness of 2 on Mohs Scale. These specimens come in lots of 1kg, in a heavy duty polythene bag. Pieces come in various sizes.
Specimens of Quartz Geodes, collected from the Sahara Desert, Morocco. These specimens are the fragments of geodes with a quartz lining. Geodes form as pockets of air in magma, when temperature differences result in a slower rate of cooling and thus larger crystals inside the pocket. Specimens come in lots of 1kg, in a heavy duty polythene bag. Pieces are of various sizes.
Specimens of Pyrite, collected from Morocco. Pyrite is an iron ore mineral, however due to its brassy yellow colour, many early prospectors would mistake it for gold. This gave it the name, ‘Fools Gold’. These pieces are of a lower grade. These specimens come in lots of 1kg, in a heavy duty polythene bag. Pieces come in various sizes.
43 in stock
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