Biotite Mica Book | Black Crystals | 127.4 Grams | Ontario, Canada | SO24 Volcanic Olivine 03 KG / 2 Lbs

03 KG / 2 Lbs 4 Ounces

and connection to nature

and offer protection

multicolored effect with hues of blue

Biotite Mica Book | Black Crystals | 127.4 Grams | Ontario, Canada | SO24 Volcanic Olivine 03 KG / 2 LbsName: Biotite Mica Specimen Size: Cabinet Sized Dimensions: 101x78x10 mm 4. 0x3. 1x0. 4 inches Weight: 127. 4 Grams 4. 5 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 mineral