Lab Grown Sapphire
Lot R1239
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: Yellow
Size: 177ct
Weight: 32x28x10mm
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
