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PRODUCTS BY WEIGHT
BOX SETS
PLASTIC DISPLAY PRODUCTS
PRODUCTS BY WEIGHT
BOX SETS
PLASTIC DISPLAY PRODUCTS
Talc crystal mineral specimens from Norway, pale green and dark shimmering green in colour with a greasy texture and schistose crystal habit, these samples are excellent for serious collectors, they display the two forms of talc, crystalline and massive together. Available in various sizes and supplied in a card tray with a label.
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Talc is a common clay mineral easily identifiable due to its greasy texture. It forms only rarely as a crystal form, and most variations or of the massive kind where the texture is very finely crystalline. Colours can vary from white to green to pale blue. It has a perfect basal cleavage, when broken, tends to break in slices or slabs, similar to slate. Being extremely soft, it is placed at 1 on the Moh’s scale of hardness and can be scratched and chipped simply with your finger nail. Many people will also use talc almost every day with out realising, it is the main ingredient in the manufacture of talcum powder as well as in corn starch. These particular samples from Norway have a pale green colouration with a shimmering dark green, which are the talc crystals. Available in various sizes, they exhibit the greasy texture and cleavage perfectly, supplied in a card tray with an information label.
Weight | 500 g |
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Specimen Size | 2" x 2", 3" x 2", 4" x 3", 5" x 3.5" |
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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 are available in multiple sizes and come in a white card tray with an information label.
196 in stock
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.
Hematite mineral specimens from Oughoud, Morocco showing excellent botryoidal crystal form and metallic lustre. The samples stain very easily, they exhibit a deep red colouration and are ideal for educational purposes as text book examples available in optional sizes and supplied in a card tray with a label.
Out of stock
Excellent specimens of Orthoclase Feldspar from Brazil which show clear crystal forms. Specimens are whitish in colour and are supplied in a white card tray with an information label.
Out of stock
Pyrrhotite mineral specimens from Evje, southern Norway, the samples are grey in colour and and have a metallic lustre which is very shiny when a fresh surface is exposed, however, these surfaces dull very quickly upon exposure to the air. Noticiably magnetic like magnetite, this iron sulphide mineral is fairly dense, was collected by staff from Norway and is available in a small size only. Supplied in a 2″ x 2″ card tray with a label.
Out of stock
Selenite crystal specimens, a variety of gypsum from Oxford, UK, found in the Oxford clay, the crystals are transparent, have a pearly or vitreous lustre and appear as clusters of crystals. They are available in two sizes only and come supplied in card tray with a label. Suitable for educational use when explaining evaporite minerals or for collectors of British specimens.
Lepidolite mica mineral specimens exhibiting a fine crystalline and granular form as opposed to a single sheet. These samples come from Zimbabwe and though are massive, still exhibit a lilac colouration and metallic lustre, available in various sizes and supplied in a card tray with a data label.
50 in stock
Campo del Cielo meteorites found in Santiago Del Estero, Argentina. Comprised mostly of iron with small amounts of nickel, copper and trace elements, these metallic lustre meteorites are well sought after by many due to their economical costs and moderate sizes. Each specimen we have on offer is between 25 to 40 mm in size and comes supplied in a card tray with a label. Excellent specimens for educational use and collections.
Out of stock
Micaceous Sandstone. As the name suggests, this type of sandstone contains flakes of mica which can be seen glinting in the specimens.
Out of stock
Specimens of nail head calcite spar found in Cumbria, UK. Specimens are supplied in a white card tray with a information label.
Out of stock
Fire opal chips, varying between 5 to 10 mm in sizes from Mexico, exhibiting a vibrant, powerful orange and red colour with some yellow, very firey, supplied only by weight in lots of 50 grams the pieces will come in a pouch with a data label.
Out of stock
Citrine crystal bed specimens which come from Brazil, composed of numerous crystal points of citrine on a matrix, these mineral specimens exhibit a pale yellow to orange colouration and are supplied in a white card tray with a label.
Out of stock
This unique lustre set includes 10 different mineral specimens which exhibit the following varieties of lustre: metallic, Sub Metallic, vitreous to adamantine, vitreous, dull, greasy, satiny and waxy. Suitable for all levels of education from school, college through to university
Out of stock
Kaolinite is a clay mineral specimen which is used extensively in industry, it is a soft, fragile mineral and is also known as China clay. Formed form the breakdown of feldspar minerals, these samples come from Cornwall, UK and is available in 2 sizes, supplied in a card tray with a label.
Out of stock
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