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 ...
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Opal mining to continue on land cut out from new Qld national park, formerly Vergemont Station
Miners with tenures inside one of Queensland's newest national parks will be allowed to continue hunting for opals. Vergemont Station was bought by the state government in April last year, backed by ...
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