Sapphire Lab Created
Lot R761

Color: Bi-Color Orange and Yellow
Type: 1 boule cutted in 2 pcs
Size of whole boule: 83x21x20 mm
Weight of whole boule: 98.8gr  

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