Biotite Mica Book | Black Crystal | 71 Grams | Ontario, Canada | SO24 Fluellite These qualities

These qualities

it is possible to have a beautiful gemstone for a fraction of the price of a diamond

being a feldspar

7 x 8mm | 41

Shape: Modified Octagon Cut

Biotite Mica Book | Black Crystal | 71 Grams | Ontario, Canada | SO24 Fluellite These qualitiesThis is a sharp, beautiful, black Biotite crystal book from the Calcite Vein Dikes of the Grenville Geological Province Ontario, Canada. This biotite has classic crystal shape and attractive dark black coloration. This specimen is a great example of both, 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.