Chrysoprase 29 OVale Refractive index: 1

Refractive index: 1

Couleur: Fond gris avec des sphérulites rouges

Note: Other name: Brunckite

The red color comes from the iron contained in the ground where it is found in Australia

Chrysoprase 29 OVale Refractive index: 1Chrysoprase cabochon. Color: Green Shape: Oval Size: 44. 38 x 29. 61mm Weight in grams: 16. 13g Carat weight: 80. 69 carat Country of origin: Australia Gemological information on chrysoprase: Possible colors: Green Density: Between 2. 57 and 2. 64 Hardness: 6 Crystal system: Trigonal Microcrystalline Fracture: Conchoidal, irregular, splintery Cleavage: Polariscope: Anisotropic Refractive index: Ne: 1. 539 to 1. 545 No: 1. 526 to 1. 535 Birefringence: