Synthetic Opal is composed by 80% silica & 20% resin. It is available in 57 colors come from White , Red , Yellow , Green , Blue , Purple Series. Can be cut into thickness & shape as the rough opal is ideal for cutting (e.g. cabochon, doublet, triplet, and can be carved with excellent effect, yield is high). It is widely used in different product markets such as silver and body jewelry, watches, cosmetic , household and other accessories.