Synthetic opal (GIA: Polymer Impregnated synthetic opal) is impregnated in laboratory in around a year and has similar properties as that of natural opal. Our synthetic opal is a beautiful opal with perfect color dynamicity - revealed the beauty of Precious Opal.
Comparison of Chemical Composition:
Comparison of Chemical Composition:
Synthetic Opal
|
Natural Opal
| |
Elements
|
SiO2.nH2O+Resin
|
SiO2.nH2O
|
Hardness
|
4
|
3-5.5
|
Specific Gravity
|
1.80-1.90
|
1.98-2.20
|
Heat Resistance
|
130 degree C.
|
100 degree C.
|