44.9gr recrystallized bi-color blue/pink sapphire retail lab grown rough

retail 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