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Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
6 Grams / 5
Origin: Mined in Illinois
Harry Buryn
and that it looked like it was giving off ‘flashes of fire’
This is a natural raw bi-color tourmaline crystal
Biotite Mica Book | Black Crystal | 45 Grams | Ontario, Canada | SO24 L4 6 Grams / 5This is a 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 plates or
