Biotite

Biotite Information

Biotite is one of the most common black minerals on the earth's surface, usually in the form of hexagonal prisms to hexagonal plates found in granite and other rocks. It is a beautiful natural stone that sparkles at different angles.

Features of Biotite Beads

Crystallography:MonoclinicMohs hardness: 2.5-3 Birthstone: --- Typical treatments: --- Occurrence: China


Biotite

Biotite , RoundHole size: Approx 1mm 1pc size: Approx 8mm (+/- 0.5mm)
Biotite , RoundHole size: Approx 1mm 1pc size: Approx 6mm (+/- 0.5mm)
Biotite , Round1 pc size: Approx 14 - 15 mm (+/ - 0.5 mm) Hole size: Approx 1...
Biotite , Round1 pc size: Approx 12 mm (+/- 0.5 mm) Hole size: Approx 1 mm
Biotite , Round 1 pc size: Approx 10 mm (+/- 0.5 mm) Hole size: Approx 1 mm
Biotite , Round 1 pc size: Approx 8 - 9 mm weak - Hole size: Approx 1 mm...
Biotite , Round1 pc size: Approx 7 mm (+/- 0.5 mm) Hole size: Approx 1 mm
US$9.79
US$8.79
US$16.99
US$12.99
US$11.79
US$11.79
US$9.79
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