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 ...
German retailer Koroit Opal Company specializes in curating and selling Australian gemstones. Koroit is not just the company’s namesake but a well-known opal mining region in Queensland. It’s also the ...
It can get to be 127 degrees Fahrenheit in the Australian town of Coober Pedy — and that's in the shade. With opal mines that look like giant ant hills and a network of underground dwellings where ...
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