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Ships within 48 hours · Estimated delivery Oct 24 - Oct 29
34 KG / 2 lbs 15 ounces
6 Grams / 4
It features orangey feldspar and greenish beryl on this interesting and showy combination of material
This is a 4
Shape: Pear Shape Cut
Biotite Mica Book | Black Crystal | 39 Grams | Ontario, Canada | SO24 Metal Label 34 KG / 2 lbsThis 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
