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Shape: Round cut
which in turn are composed primarily of aragonite
This crystal cluster brings harmony and emotional support to any space
This is a great looking meteorite collection in a Riker style box containing individual specimens selected for you
This is a beautiful 21
Biotite Mica Book | Black Crystal | 275.6 Grams | Ontario, Canada | SO24 L3-6 Shape: Round cutThis 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.
