Hypertshène 22 Rond In our case here

In our case here

91g Carat weight: 59

5 Crystal system: Orthorhombic Fracture: Irregular

Indice de réfraction: Np: 1

80 caratPays d'origine: CongoInformations gemmologiques sur la malachite:Couleur possible: Vert clair à vert foncé avec zonationDensité: Entre 3

Hypertshène 22 Rond In our case hereHypersthene cabochon. Color: Grey Shape: Triangle Size: 29. 41 x 22. 25mm Weight in grams: 7. 57g Carat weight: 37. 89 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