Synthetic Crystal Opal is composed by 80% silica & 20% resin. It is 12 primary colors with 5 different color patterns each in total 60 colors .It is translucent and sparkling. Can be cut into thickness & shape as the rough opal is ideal for cutting (e.g. cabochon, fancy shape , diamond cut and can be carved with excellent effect, yield is high). It is widely used and and in different product markets such as silver and body jewelry, watches, cosmetic , household and other accessories.
Synthetic Crystal Opal Chart
(12 PRIMARY colors with 5 DIFFERENT COLOR patterns each in tatal 60 color)
OPAL COMPARISON
SYNTHETIC / CRYSTAL OPAL | GALAXY OPAL(no resin) | NATURAL OPAL | |
---|---|---|---|
Elements | 80% SO2H20+20% resin | Si02.nH20 | SiO2nH20 |
Hardness (Mohs) | 4 - 5 | 5 - 6.5 | 3 - 5.5 |
Special Gravity | 1.80 - 1.90 | 1.95 - 2.23 | 1.98 - 2.2 |
Heat Resistance | 130°C | 800°C | 100°C |
Rough Opal | 14 - 18mm | 10 - 12mm | irregular |