Dimensions: 54x27x19 mm / 2

5 Lbs) and measures 146x142x91 mm (5

3 Grams / 7

the pearl strand contains over 91ct of natural citrine beads

This is a fantastic shatter cone from Canada weighing 903 grams and measuring 12

Biotite Mica Book | Black Crystal | 39 Grams | Ontario, Canada | SO24 Pistacite Dimensions: 54x27x19 mm / 2This is a 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 plates or