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 ...

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 ...

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 ...