About the Synthetic Opal Stone,

Chemical Composition: SiO2.nH2O+Resin (Natural:SiO2.nH2O)
Hardness: 4 (Natural: 5.5)
Specific Gravity: 1.80-1.90 (Natural:1.98-2.20)
Heat Resistance: 130 degree C.(Natural:100 degree C.)

We sell Synthetic Opal Rough, Beads, and all kind of shape~

Synthetic opal (Polymer Impregnated) is impregnated in laboratory.

Characteristics of Kyocera opals  (Impregnated synthetic opal)

-Resin is impregnated

-hard to break, hard to chip

-Less inclusion and crack

-Plentiful color variation

-Large area and considerable thickness of rough stone (maximum thickness:20mm)

We have more than 32 color available~

Please feel free to contact us if you are interested in this Synthetic Opal.