Sapphire Lab Created
R490
Color: Rubellite
Type: Rough
Size: 50х20х10.7 mm
Weight: 10.2 gr
Mineral: Corundum
Chemical Formula: Al2O3
Crystal System: Trigonal
Hardness (Mohs): 9
Refractive Index: 1.76–1.77
Density, g/cm3: 4
Dispersion: 0.018
Pleochroism: Strong
Growth Method: Flame Fusion
