Hypersthène 9 Carré / cube - Synthetic spinel (By anhydrous

- Synthetic spinel (By anhydrous dissolution)

Number of beads: Approximately 111

- Tinted dolomite

40Dureté: Entre 7 et 7

92mm Weight in grams: 6

Hypersthène 9 Carré / cube - Synthetic spinel (By anhydrousHypersthene cabochon. Color: Grey Shape: Oval Size: 36. 80 x 25. 31mm Weight in grams: 12. 05g Carat weight: 61. 27 carats 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