Mozambique Granaat ± 0.30 CT. 5x3 mm Ovaal Color: Best Orange Red Clarity: Clean Luster: Outstanding Origin: Africa Hardness: 6.5 - 7.5 Specific Gravity: 4.3 Refractive Index: 1.83 Chemical Composition: Fe3Al2(SiO4)3, Iron Aluminum Silicate Crystal Structure: Isometric Treatment: None