15.41ct 3pcs hot set green jelly opal with green fire cabochon 17x14mm lab grown

Impregnated Opal
Lot CS955


 


Color: 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% hot