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Color: Neon Blue
Size: 29x25mm
It features orangey feldspar and greenish beryl on this interesting and showy combination of material
other deposits are found in countries such as Russia
Biotite Mica Book | Black Crystal | 55.6 Grams | Ontario, Canada | SO24 Amphibole Color: Neon BlueThis is a sharp, beautiful, black Biotite crystal book from the Calcite Vein Dikes of the Grenville Geological Province Ontario, Canada. This specimen is a great example of both the classic crystal shape and attractive dark coloration. Biotite is rarely considered a valuable mineral specimen, but it can accompany other minerals and compliment them. In Bancroft, Ontario, Biotite forms large crystals with green apatite and hornblende. Single large
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