The chance of finding an opal, especially the rare black opal, is what drives many to the farthest reaches of Nevada, a small community straddling the Nevada-Oregon border and the nearly pristine ...

Dig for rare black opals in Virgin Valley, where geology and adventure meet in the high desert. Outdoor Nevada host John Burke visits Royal Peacock Opal Mines in Nevada’s Virgin Valley to dig for rare ...

Few realize that the world’s most famous black fire opal – the official Nevada State Gem – was discovered in Nevada’s remote Virgin Valley in 1918. Col. W.A. Roebling, a civil engineer who helped ...

Following is a transcript of the video. Narrator: High-quality black opal can cost over $10,000 per carat, making it one of the world's most expensive gemstones. But mining black opal isn't easy.

Mineral Monday is a weekly video series exploring the many amazing minerals, fossils, and historic objects on display at the W.M. Keck Earth Science and Mineral Engineering Museum as told by museum ...

Stoically standing guard at the base of the Caldera Island volcano, the Flame Priest is a master of heat-resistant magic, but he can bestow his gifts onto you for the price of a rare and elusive ...

The 'Virgin Rainbow' is one of the world's rarest and most expensive opals. This extremely rare opal exhibits incredible fluorescence with a rainbow of different colors that make opal so distinctly ...