VENDU Hypersthène 23 quartz fumé It can also be called

It can also be called arborized agate

- Synthetic spinel

Perles en pierre de soleil facettées

rarely green (color caused by the presence of native copper)

VENDU Hypersthène 23 quartz fumé It can also be calledHypersthene cabochon. Color: Grey Shape: Round Size: 26. 43mm diameter Weight in grams: 9. 13g Carat weight: 45. 70 carat Country of origin: Canada Gemological information on hypersthene: Possible color: Gray, green, brown, black Density: Between 3. 43 and 3. 90 Hardness: Between 5 and 6 Crystal system: Orthorombic Breakage: Irregular Cleavage: Perfect Polariscope: Anisotropic Refractive index: np: 1. 686 to 1. 755 nm: ? ng: 1. 703 to 1. 772