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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.
The opal rough stones are in irregular shape. It is a result of lab grown process, as well as the result after quality check. The average thickness ranges from 15-18mm with estimated size 30-100mm.
It is easy to handle the cutting of Bello opal rough. We offer various cut stones at high quality and wide color choices. Ordering cut stones from us is another good option for your business.
A Cut pattern is the surface of the rough. The size can be bigger than 70mm. It is the most popular pattern in the market.
B Cut pattern is the side of the rough. It shows the growth pattern (from bottom to the top). It is an authentication of "Lab-Grown" synthetic opal, NOT the resin be mixed with silica slices.
Bello Opal is the mainstream of opal inlay. The intense fire makes the opals shinny even when the opals are thin and small.
Bello Opal rough can be crushed. The crushed opal is widely used for inlay, such as ring, furniture etc.
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 OP92 |
|---|---|
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 |
