15.41ct 3pcs set green jelly deals opal with green fire cabochon 17x14mm lab grown, 15.41ct 3pcs set green jelly opal with green fire cabochon 17x14mm lab grown good
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15.41ct 3pcs set green jelly deals opal with green fire cabochon 17x14mm lab grown, Impregnated OpalLot CS955 Color: Green with Green fireType: Cut StoneSize: 171x141x44mm 167x136x39mm 167x142x41mmTotal weight: 1541ct Classification: Lab Grown.
Impregnated Opal
Lot CS955
Color: deals Green with Green fire
Type: Cut Stone
Size: 17.1x14.1x4.4mm, 16.7x13.6x3.9mm, 16.7x14.2x4.1mm
Total weight: 15.41ct
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%