Lot R709
Color: Violet
Type: Rough
Size: 16x13x8 mm
Weight: 22.5 ct
Quantity: 1 pcs
Mineral: Spinel
Chemical Formula: MgAl2O4
Crystal System: Cubic
Hardness (Mohs): 8
Refractive Index: 1.72
Density, g/cm3: 3.6
Dispersion: 0.026
Growth Method: Czochralski
