Tijgeroog ± 5.65 CT. 14x10 mm Ovale Cabochon Color: Top Yellow Brown Clarity: Opaque Luster: Outstanding Sharp Tigers Eye Origin: Africa Hardness: 7 Specific Gravity: 2.65 - 2.91 Refractive Index: 1.544 - 1.553 Chemical Composition: SiO2 , Silicon Dioxide Crystal Structure: Trigonal Treatment: None
