Size: 18x11mm

The weight and dimensions of the pieces are as follows:

6 Ounces (including box)

This stone is believed to bring the enduring qualities of honesty

known as phantoms

Biotite Mica Book | Black Crystal | 55.6 Grams | Ontario, Canada | SO24 Idocrase Size: 18x11mmThis is a sharp, beautiful, black Biotite crystal book from the Calcite Vein Dikes of the Grenville Geological Province Ontario, Canada. This specimen is a great example of both the classic crystal shape and attractive dark coloration. 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 large