The Wonders of Australia gold and silver coins feature an opal on the center of the reverse, drawing attention to what is ...

Add Yahoo as a preferred source to see more of our stories on Google. German retailer Koroit Opal Company specializes in curating and selling Australian gemstones. Koroit is not just the company’s ...

Lightning Ridge is a small mining town outside of New South Wales, Australia renowned for its black opal, which can sell for over $10,000 per carat. But even for an expert miner, finding high-quality ...

A new comprehensive publication about Western Australian gemstones and decorative stones was launched by Western Australia’s Mines and Petroleum Minister Norman Moore. Gemstones of Western Australia ...

There’s a good chance you might not, because though their intricate appearance sets them apart from other gems, opals have fallen out of favour in fashion over the years. While they experienced ...