How are opals made?

Answer Opal is a gemstone found in many parts of the earth, but most often associated with Australia, where it has been declared Australia's national gemstone. It comes in a variety of colors. It is comp... Read More »

Top Q&A For: How are opals made

What are fake opals made from?

When were synthetic opals first made?

According to the Jewelers Ethics Association, Pierre Gilson first made synthetic opals in 1974. The Chatham Company produces a "created" opal that is widely considered the highest quality synthetic... Read More »

How to Buy Opals?

The birthstone of October, opals are a fascinating stone. The fire in the opal, caused by diffraction, displays all the colors of the rainbow. Almost 95 percent of opals are found in Australia, alt... Read More »

Where do opals come from?

Opals come mostly from Australia. Nearly 95 percent of the world's supply comes from Australia, where they were first found in 1849. Opals are also found in northern Brazil, Mexico, Idaho, Nevada, ... Read More »