Sapphire Lab Created
R757
Color: Tourmaline Bi-Color Blue/Pink
Type: Rough
Size: 69x19x10.6 mm
Weight: 44.9 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
