Mooie Umbaliet Granaat ± 0.25 CT. 4x3 mm Ovale Cabochon Color: Pink Red Clarity: Clean Luster: Good Origin: Africa Hardness: 7.5 Specific Gravity: 4.3 Refractive Index: 1.76 Chemical Composition: Fe3Al2(SiO4)3, Iron Aluminum Silicate Crystal Structure: Isometric Treatment: None
