Lot CS538
Color: Blue
Shape: Round Cabochon
Size: 17.5 mm
Weight: 12.3 ct
Quantity: 1 pcs
Mineral: Quartz
Chemical Formula: SiO2
Crystal System: Trigonal
Hardness (Mohs): 7
Refractive Index: 1.543-1.554
Density, g/cm3: 2.6
Growth Method: Hydrothermal
