economic geology
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Researchers May Have Pinpointed Origin of Hope and Koh-i-Noor Diamonds
The Hope and Koh-i-Noor diamonds—two of the most famous Golconda diamonds—may have come from southern India’s Wajrakarur Kimberlite Field, according to a team of researchers that reviewed the possible origin points of the gems. The Golconda diamonds were mined form the banks of southern India’s Krishna River, though their source rocks—the geological deposits where the…
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Dammit, Coal’s Back
The dirtiest fossil fuel is enjoying a renaissance in the U.S., but it could usher in a dark age for the climate.
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New Culture War Just Dropped: World’s Largest Jeweller Pivots to Lab-Grown Diamonds
If you can bring yourself to wear a diamond that doesn’t represent a shaved-down bit of the planet’s finite supply, but is chemically identical to the original product and denies warlords funding — then Pandora is your shop. The world’s largest jeweller (in sheer volume of product), known for charm bracelets, has announced that it…