Groene Aventurien 8x6 mm Ovale Cabochon ± 1.30 CT. uit India. Color: Fine Green Clarity: Transparent Luster: Ravishing Origin: India Hardness: 7 Specific Gravity: 2.65 - 2.91 Refractive Index: 1.544 - 1.553 Chemical Composition: SiO2, Silicon Dioxide Crystal Structure: Trigonal Treatment: None
