Red and orange fire opals are rare and renowned for their brilliant hues. Unlike other opals, fire opals are transparent and the play-of-color is more subtle. To see this many — over 150 carats ...

The fire of opals erupts from jewelry cases lining the ... Spencer miners find rarer blue, pink or red gems. “Our customers are generally jewelers and distributors,” said Bob Thompson, who ...

The world’s finest uncut opal, a 998-gram gem called the Fire of Australia ... It throws off a lot of red, which is one of the indications of a highly valuable piece of opal.” ...

We have chocolate or fire opals… We also have the hydrophane opal, which features a range of colors like blue and red. A hydrophane opal has significant water content, and when placed in water ...

Inside was an orangey-red fire opal that he likened to a flame, forever preserved in the sphere of igneous rock. Mr. Ruiz and his wife, Erika Rodriguez, ...

The world’s finest uncut opal, a 998-gram gem called the Fire of Australia, has gone on permanent public display for the first time since its discovery more than 60 years ago. Valued at more ...