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    Botswana mining operation

    Botswana Produces the World’s Third-Largest Diamond

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    Nickeline

    The Nickel Behind the Nickel

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    downtown Cripple Creek

    Exploring Legendary Hard-to-Find Gold and Silver

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    Noeggerathiales

    Rewriting the History of Plants on Earth

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    Sheldon National Wildlife Refuge sign

    A Rookie Prospector’s Tale

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    legrandite crystals

    Mexico – A Mineral Collector’s Paradise

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