Opal-mining is one of the world’s most harrowing pursuits, but potentially one of the most rewarding as well. To find opals, a modern treasure hunter must dig random holes in areas of known deposits, ...
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 ...
The Daily Galaxy on MSN
They were just farmers digging by hand, until they discovered the world’s rarest opal
At almost 10,000 feet above sea level, villagers in northern Ethiopia have uncovered a seam of pure black opal buried within hand-dug tunnels. The site, hidden in Wollo Province’s rugged terrain, is ...
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