Synthetic Opal
Lot CS374


Color: Blue with green fire
Shape: Oval Cabochon
Size: 24x18 mm
Total Weight: 24.72 ct
Quantity: 1 pcs


Classification: Lab Grown Opal
Chemical composition: SiO2 + nH2O + Polymer 50%
Hardness: Pencil Hardness 3-5H
Specific Gravity: 1.25-1.35
Heat Resistance: 140 C
Water: 0%