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Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
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Description
Most of the fluor-richterite crystals are not complete
Product ID: ACGP23587
often with distinctive black veining
which is a type of microcrystalline quartz
Dimensions: 36x11x15 mm / 1
Biotite Mica Book | Black Crystal | 275.6 Grams | Ontario, Canada | SO24 Dolomite Most of the fluor-richterite crystalsThis 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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