VENDU Hypersthène 6 bleu Gemological information on charoite:

Gemological information on charoite:

Gemological information on yellow calcite:

Country of origin: United States (Oregon)

Cabochon en gabbro

VENDU Hypersthène 6 bleu Gemological information on charoite:Hypersthene cabochon. Color: Grey Shape: Oval Size: 37. 04 x 21. 05mm Weight in grams: 6. 38g Carat weight: 31. 93 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