CICERO, Ind. (Hamilton County Reporter) — Dean Caldwell of Cicero has been mining opal and obsidian for six months of the year in Mexico for the last 15 years. Last year, he pulled an opal out of the ...

Geologists were astounded to discover a rich, natural opal deposit almost 9,800 feet above sea level. The villagers in Wollo, Ethiopia, made the discovery almost 9,800 feet above sea level. Their ...

A hunt for precious gemstones revealed the first fossil evidence of a dinosaur herd, including a previously undiscovered dinosaur species, in Australia. The new dinosaur fossil was found in an opal ...

The Breakaways — The Breakaways Reserve is located in the northern part of South Australia near the opal mining town of Coober Pedy.

Enchanting gem: The American Gem Society describes fine opal as an "enchanting gem" through which some believe "the mysteries of love can be exchanged." The Gemological Institute of America says opal ...