Gele Opaal 4.29 CT. 9x12x7.1 mm Octagon Gefacetteerd Color: Yellow Clarity: VS Luster: Dazzling Origin: Australië Hardness: 5.5 - 6.5 Specific Gravity: 1.42 - 2.25 Refractive Index: 1.37 - 1.47 Chemical Composition: SiO2-nH2O, Hydrated Silicon Dioxide Crystal Structure: N/A Treatment: None
