Created Sapphire
R454
Color: Nice Tanzanite
Type: Rough
Size: 51-54x18.6-20x9-10.3 mm
Weight: 23-29 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
