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This is the name generally given to orthoclase
- Amethyst helps purify other stones
Shape: Faceted disc
veines blanches
Rhodonite beads
Perles en malachite obsidienne noire This is the name generallyMalachite beads. Color: Light green to dark green zoning Size: 7 8mm Country of origin: Congo Gemological information about malachite: Possible color: Light green to dark green with zoning Density: Between 3. 60 and 4. 05 Hardness: Between 3. 5 and 4 Crystal system: Monoclonic Fracture: Subconchoidal to coarse grained Cleavage: Perfect Polariscope: Opaque Refractive index: Np: 1. 655 Nm: 1. 875 Ng: 1. 909 Birefringence: 0. 254 Chelsea Filter: No
US$ 15.00
US$ 99.99
US$ 15.00
US$ 49.99
