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Ships within 48 hours · Estimated delivery Oct 11 - Oct 16
Dimensions: 106x85x62 mm - 4
The weight and dimensions of the cubes are as follows:
Strand Length 38 cm /15 inches
Name: Calcite crystal
What sets them apart is their striking surface texture—often finer
Biotite Mica Book | Black Crystals | 68.5 Grams | Ontario, Canada | SO24 Mangano Calcite Dimensions: 106x85x62 mm - 4This 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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