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Ships within 48 hours · Estimated delivery Sep 16 - Sep 21
Reserve from the case
Ships within 48 hours · Estimated delivery Sep 16 - Sep 21
Dimensions: 46x28x22 mm / 1
This deformed rock fragments and partly molten are imbedded in a melt matrix showing typical flow structures from former melt
which is a type of microcrystalline quartz
Product ID: ACGP23587
Biotite Mica Book | Black Crystal | 275.6 Grams | Ontario, Canada | SO24 Dolomite Dimensions: 46x28x22 mm / 1This 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.
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