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16.22ct 3pcs Set White Jelly Opal with Green Fire Cabochon 17x14mm Lab Created
Impregnated Opal Lot CS961
Color: White with Green fire
Type: Cut Stone
Size: 16.7x14.3x3.7mm, 16.9x13.7x3.5mm, 19.6x15.3x4mm
Total weight: 16.22ct
Classification: Lab Grown Opal Polymer Impregnated
Chemical composition: SiO2 + nH2O + Resin (15-20%)
Hardness (Mohs): 4
Specific Gravity: 1.88-1.92
Heat Resistance: 140 C
Resistance to Chemicals: Alcohol – Pass; Acetone - NG
Water: 0%
Polymer: 15-20%