Lab Grown Sapphire
Lot R1233

Please note that only rough stone is included in the lot.
The photo of the faceted stone is only used to demonstrate the approximate color of the material after cutting.

Color: Blue Sapphire Light

Piece №1
Size: 18.25ct
Weight: 20x9x9mm

Piece №2
Size: 19.4ct
Weight: 26x11x6mm

Piece №3
Size: 39.35ct
Weight: 20x16x11mm
 
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: Czochralski