Following is a transcript of the video. Narrator: High-quality black opal can cost over $10,000 per carat, making it one of the world's most expensive gemstones. But mining black opal isn't easy.

Add Yahoo as a preferred source to see more of our stories on Google. German retailer Koroit Opal Company specializes in curating and selling Australian gemstones. Koroit is not just the company's ...

In this article, we’ll list the most expensive gemstones in the world and discuss their rarity. You can skip the details and read 5 Most Expensive Gemstones in the World. Gemstones are naturally ...

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 ...

Want an adventure the entire family will love — and you can take home with you? This North Carolina "gem" offers a unique opportunity to explore its history.

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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Travelers have the opportunity to search for their own diamonds in the rough in some U.S. states. In July, Will and Marshall Barnet stopped at Arkansas' Crater of Diamonds State Park during a road ...

Add Yahoo as a preferred source to see more of our stories on Google. Lightning Ridge is a small mining town outside of New South Wales, Australia renowned for its black opal, which can sell for over ...