Chrysoprase 36 Facetté Birefringence: None Chelsea Filter: Inert

Birefringence: None Chelsea Filter: Inert Spectrum: Not visible Different countries where pink common opal may be mined: Peru Common pink opal can be confused with: - Glass - Plastic Treatments that exist to modify common yellow opal: - Colorant

Common opal is distinguished from noble opal by its construction

Différents pays ou peut-être extrait la charoïte: Russie

74 carat Country of origin: India Gemological information about moonstone: Note: The name moonstone is a trade name

Chrysoprase 36 Facetté Birefringence: None Chelsea Filter: InertChrysoprase cabochon. Color: Green Shape: Drop Size: 32. 40 x 23. 57mm Weight in grams: 9. 23g Carat weight: 46. 18 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: