Schitterende wat grotere Russische Witte Topaas (Clean) 7.9 CT. 11.5 mm Hexagonaal gefacetteerd. Color: Vibrant Top White Clarity: Very Slight Inclusion Luster: Dazzling Origin: Russia Hardness: 8 Specific Gravity: 3.4 - 3.5+ Refractive Index: 1.61 - 1.64 Chemical Composition: Al2SiO4(F,OH)3, Aluminum Silicate Fluoride Hydroxide Crystal Structure: Orthorhombic Treatment: None
