Biotite Mica Book | Black Crystal | 173.8 Grams | Ontario, Canada | SO24 Pearl This is an outstanding specimen

This is an outstanding specimen Impact Melt Glass or "Flädle" glass coming from the Ries crater near Stuttgart Germany

the bead strand contains over 79ct of natural Moonstone beads

Color: Multicolored

Dimensions: 146x89x89 mm / 5

Size: ~5x4mm

Biotite Mica Book | Black Crystal | 173.8 Grams | Ontario, Canada | SO24 Pearl This is an outstanding specimenName: 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