The Juniper Ridge Opal Mine is one of the few places in the United States that regularly turns out high-quality fire opal. These opals are glass-like and range from yellow to a deep … 展开

Another famous opal mine in Nevada, Rainbow Ridge is an expensive paid dig site but it may be well worth it for those who can afford it. Rainbow Ridge produces some of the prett… 展开

The Spencer Opal Mine is another productive source of precious opal. It’s a unique formation, with the opal being found in thin slices in gaps in the rhyolite bedrock. Quite often you’l… 展开

In Vernon Parish of Louisiana, the Earth hides a bit of a secret. While incredibly hard to find in modern times, this locality is the only known place where Louisiana Sand Opal has been f… 展开