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Chrysocolla, hydrated copper silicate mineral specimens are a minor ore of copper. Turquoise blue specimens collected from Dunfreis in Scotland; various sizes available, each supplied in a labelled card tray.
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Chrysocolla is a hydrated copper silicate mineral often appearing vibrant blue in colour . It is an ore of copper, albeit a minor one. The name comes from the ancient Greek word chrysos, which means gold, and kolla, meaning glue, as it was used to solder gold, and was first used by Theophrastus in 315 BC. Chrysocolla rarely if ever appears in a visible crystal form. It is almost always in botryoidal, reniform, or stalactitic masses and crusts & as vein infillings. The specimens of Chrysocolla we supply come from Walnockhead, a town where copper, nickel and zinc have been mined near Dunfries in Scotland. These specimens are supplied in a white card tray box with an information label
Weight | 235 g |
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Specimen Size | 1.5" x 1.5", 2" x 2" |
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Dolomite with malchite crystal beds, found in Bou Azzer, Ouarzazate Province, Morocco with occasional deposits of selenite which although transparent will glimmer under certain light angles, excellent mineral specimens with a variety of contrasting colours, available in various sizes.
Malachite and azurite mineral specimens from Morocco, the two minerals are often found together and exhibit completely different colours, the azurite is a rich royal blue where as the malachite is a pale green. Both are copper ore minerals and have been used as paint pigments in ancient times. Supplied in various sizes and in a card tray with a data label.
Out of stock
Specimens of malachite from the Congo, Africa. These samples are a vibrant green colour and usually show some amount of banding and are a must have for any mineral collection. Specimens are supplied in a white card tray with an information label.
Out of stock
Specimens of malachite and chrysocolla found in Congo, Africa. Specimens are supplied in a white card tray with an information label.
Out of stock
250 grams of chrysocolla, a popular and well known cyan blue coloured mineral with a botryoidal crystal habit, these pieces which range between 5 to 10 cm are shells. a minor copper ore mineral, the pieces are excellent for educational use, buying in bulk. Supplied in a sealed pack ready for immediate use, a small information label will also be present.
Out of stock
Blue lace agate mineral specimens of moderate size which clearly exhibit alternating bands of blue and white, the specimens come from Botswana and are excellent grade with minimal matrix on them. Formed through volcanic processes and the deposition of silica compounds in igneous rocks, these minerals are both important educationally and calming to look at.
Out of stock
These particular samples are a milky white to pale yellow colour and show typical fibrous crystal habit expected from Witherite. Samples are supplied in a white card with an information label.
Cut ulexite mineral specimens from California, USA. A mineral similar to gypsum, ulexite is able to transmit light through its long axis, meaning if placed above an image or text, will transmit it to the samples surface as an image. Hence the name TV rock, excellent for children, these pieces are available in several sizes and will come supplied in a card tray with an information label.
Out of stock
Specimens of white coloured Plagioclase Feldspar also known as a Albite-Anorthite Series mineral. The specimens come from Osedalen, Southern Norway and are supplied in a 2″x2″ 3″x2″ 4″x3″ card tray with an information label.
Out of stock
Native copper specimens which have been smelted and slightly polished making them smooth to touch and enhancing their metallic lustre, these copper specimens were obtained from the smelting process of copper from the famous Keweenaw native copper ore deposits of Michigan. U.S.A.
Out of stock
Chalcedony mineral specimens from Morocco, the pieces belong to the quartz family of minerals and is very similar to carnelian, even having a waxy lustre, although it tends to have a botryoidal crystal habit. The pieces are blue, white, red and orange and available in various sizes, supplied in a card tray with an information label.
Desert rose mineral specimens composed from gypsum found in Tunisia, the samples are composed of numerous crystals which resemble ‘petals’ which are randomly orientated, thus giving them a rose flower effect. Specimens are supplied in a 1.5″ x 1.5″ card tray or as approximately 1 cm diameter pieces in 1″ magnifier boxes with an information label.
Pyrtic crystal cubes from Spain, depicting excellently the cubic crystal form that pyrite forms in. These samples exhibit the brassy colouration and metallic lustre expected from pyrite and are available in two sizes, 1 cm and 2 cm cubes, supplied in a polythene bags with a data label.
Out of stock
Specimens of small almandine garnets found in India. These specimens are supplied in a small white card tray with an information label. The specimens are approximately 1″ – 1.5″ cm in diameter though this will vary slightly.
6 in stock
Cleavelandite mineral specimens available in various sizes, a variation of albite, it is pale green or an off white colour, these pieces come from Evje in Southern Norway and exhibit a massive form of cleavelandite. Specimens may also come with accessory minerals such as smokey quartz or other feldspars.
Out of stock
Bytownite basalt is another variation of the common Basalt rock. These particular samples come from Cumbria and are available in a range of sizes.
198 in stock
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