Scattered around town are do-it-yourself mining operations, abandoned film props and a cafe that serves both waffles and opals. Pyramid-like mounds, a byproduct of opal mining, litter the landscape ...

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 ...