Fantastische Onbehandelde "Super" Ster Olijfkwarts 24.73 CT. 18.3 mm Ronde Cabochon Color: Olive Clarity: Fine Crystal Luster: Extreme Sharp 6 Ray Star 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
