Mooie 5 mm ronde Sillimaniet Kattenoog Cabochon Gewicht ± 0.70 CT. uit India Color: Gray Black Clarity: Transparent Luster: Fantastic Sharp Cats Eye Origin: Orissa, India Hardness: 7.5 Specific Gravity: 3.2+ Refractive Index: N/A Chemical Composition: Al2SiO5, Aluminum Silicate Crystal Structure: Orthorhombic Treatment: None
