How to Use Black Opal?

Answer Black Opal is a brand of skin care products for people of color that came to the marketplace in 1994. The first Black Opal product for sell was the Advanced Dual Complex Fade gel, which is used to... Read More »

Top Q&A For: How to Use Black Opal

What is the Australian black opal made of?

An opal is made of silicate and water, and is known by the chemical formula SiO3H2. A black opal is made when the spheres of amorphous silica contained in the gem are larger than in blue or red op... Read More »

Can antique opal rings have an opal veneer on top?

Antique opal rings can have veneer on top. There are many types of opal stones found in antique rings: solid, boulder, doublet, or triplet opals. Non-solid stones often have a veneer of opal attach... Read More »

Uses of Opal?

Opals are an oxide of silica (a compound of oxygen and silica) and one of the five principle jewels considered precious gemstones. These five jewels are the diamond, ruby, emerald, sapphire and opa... Read More »

Where does opal come from?

Almost 95 percent of the world's opal is mined in Australia. The remaining 5 percent comes from Mexico, northern Brazil, Idaho and Nevada. More recently, opal has been found in Ethiopia and Mali in... Read More »