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10 things you need to know about "Synthetic Opal"
Bello Opal® rough stone (Polymer Impregnated Synthetic Opal) is only available in irregular size and shape. You may order opal rough by gram/kilo. And as the rough stones are unpolished, you may find that the stone color is different from the product color. If you have any questions on this issue, please contact with Sanwa Sales Team.
Properties comparison to natural opal
| Category | Polymer Impregnated Synthetic Opal | Natural Opal |
|---|---|---|
Elements |
80% Silica & 20% Resin | Silica & Water |
MOHS Hardness |
4 | 3-5.5 |
Specific Gravity |
1.80-1.90 | 1.98-2.20 |
Heat Resistance |
130 degree C. | 100 degree C. |
Color Range |
OP01 to OP78 |
|---|---|
Degree of transparency |
Relatively low |
Jewelry Plating |
Bello Opal® could work well with jewelry plating |
Chemical Resistance |
Thinner, Methanol, Acetone |
Glass Compatibility |
Bello Opal® is not glass compatible. Please refer to "Galaxy Opal" |
Guarantee on quality |
No Cracking, Crazing or Yellowing |
