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Amazonite mineral specimens collected in Russia, a variety of microline feldspars, these specimens exhibit a graphic streak texture and have a much more vibrant green colouration to them than the Norwegian specimens, available in three sizes, ideal for collectors and gemstone enthusiasts.
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Vibrant amazonite mineral specimens from Russia. This particular variety is punctuated by white feldspar streaks giving the specimens a rare and beautiful graphic texture. Amazonite is a microcline feldspar mineral, sometimes known as ‘Amazon stone’, named after the famous Amazon river in Brazil, where similar green stones were found, although whether or not amazonite is actually within the basin its self is still debated today. Common minerals found with amazonite include quartz, smokey quartz, orthoclase feldspar and albeit; it is possible that the white streaks in these specimens are either orthoclase or ableit. The mineral its self has a vibrant green colouration which is what it is famous for, these specimens are of a much higher quality than our Norwegian specimens. Originally, the colour was thought to be due to high quantities of copper being present at the time the mineral was forming, as copper turns to a blue or green colour when oxidised, however, recent studies have suggested that it could actually be lead that has caused this unusually bright green colour. These amazonite specimens were collected in Russia and are available in only three sizes, the pieces will come supplied in a card tray with an information label.
Weight | 300 g |
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Specimen Size | 1.5" x 1.5", 2" x 2" |
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This granite pegmatite contains large sheets of muscovite mica, orthoclase feldspar and quartz matrix. An excellent teaching material which comes from Southern Norway. Each specimen comes in a labelled card tray.
Out of stock
Orthocalse feldspar mineral specimens from Evje, Norway. It exhibits a pale pink, white or pale grey colouration with excellent cleavage planes with rhombic crystal forms, a common mineral found in granites and rhyolites, orthoclase belongs to the feldspar family of minerals and can be found all over the world. Specimens are available in various sizes and come supplied in a card tray with an information label.
Out of stock
Smokey quartz mineral specimens collected from Iveland, Norway, these highly crystalline samples are a dark grey colour and may have sharp edges, caution is advised. The colour is due to natural irradiation during the formation process, samples are available in various sizes and come supplied in a card tray with a data label.
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
Chalcopyrite mineral samples from Morocco, exhibiting typical yellow brassy colour with a metallic lustre. Lower grade when compared to our Norwegian stock but also includes occurrences of bornite which is a blue colour. Samples are available in 3 sizes, each supplied in a labelled card tray.
200 in stock
Baryte crystal blade cluster from Erfoud, Morocco, measuring up to 4 inches in size, these mineral specimens exhibiting excellent crystal habits and calming colouration along with a slight sparkle when viewed in certain lighting conditions. Ideal pieces for display use.
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
Baryte mineral specimens, unusual samples collected from Foss mine in Scotland, they have a fine crystalline texture instead and are quite robust specimens. Pieces are off white in colour and may show a shimmer effect in certain lighting conditions. 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.
Salt Pseudomorphs on a limy marl matrix collected from the Triassic Aust Cliff in Avon. Numerous cubic imprints can be identified on the limy marl substrate of these specimens; they serve as interesting educational pieces.
20 in 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
Magnesite mineral specimens from Greece, the samples are an off white colour and exhibit a somewhat botryoidal texture, formed around ultramafic rocks and metamorphic zones, these specimens are limited and will come supplied in a card tray with a data label.
Out of stock
Rhodolite garnets in quartz and mica schist matrix from Southern Norway exhibiting bright vibrant pink coloured garnets in a white quartz and metallic grey mica schist with a start contrast of colours, these minerals specimens are available in 3 sizes and come supplied in a card tray with a label.
Chalcocite is a soft (2.5 – 3 on Moh’s scale) copper sulphide mineral from mexico. The specimens are in a massive form, meaning the crystals are too small to see any crystal habit. However, the specimens still exhibit a metallic lustre. Available in various sizes.
Out of stock
Massive specular hematite from Brazil, black colouration and metallic lustre which gives the crystals a sparkling appearance. These particular specimens are of specularite crystals in a massive form, therefore the samples have a highly crystalline texture. They come from Brazil and give off a metallic shimmer when held under certain lighting. Available in various sizes and supplied in card tray with an information label.
Out of stock
Baryte mineral specimens collected form Somerset in the UK, exhibiting a bladed crystal habit or massive form, the dense specimens are an off white, yellow or brown colour due to staining from hematite (iron ore), available in various sizes, ideal for educational use.
Out of stock
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