Its dimensions are 54x47x20mm

The exposed crater is located in Western Australia

attract luck and prosperity

This valley is famous for its temples

Reportedly hundreds of pieces from this fall

Biotite Mica Book | Black Crystal | 48.8 Grams | Ontario, Canada | SO24 IAB-MG Its dimensions are 54x47x20mmThis is a 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. Single