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Color: Multicolored
When they druzy quartz is coated with titanium
Size: ~5x4mm
Great addition to any collection
Biotite Mica Book | Black Crystal | 173.8 Grams | Ontario, Canada | SO24 Pearl Color: MulticoloredName: Biotite Mica Specimen Size: Large Cabinet Sized Dimensions: 132x101x10 mm 5. 2x4. 0x0. 4 inches Weight: 173. 8 Grams 6. 1 Ounces Origin: Ontario, Canada This 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
