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 ...

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 ...

There’s nothing that says rustic Nevada like a good old-fashioned mine tour or DIY mine dig. Here are a few of our favorites. (Some mines are open seasonally, so check the dates before heading out.) ...