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    macro photography of natural mineral from geological collection - raw galena (galenite, lead glance) crystal on white background

    Galena Mineral: Ruling the Radio

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    nipomo-marcasite

    Nipomo Marcasite: What to Cut

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    platinum nugget, noble metal, found free in nature in the form of nuggets, used in the production of catalysts

    Platinum Metal’s Rise to Fame

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    pyrite-marcasite

    Pyrite & Marcasite 101

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    labradorite

    Labradorite: Northern Lights in a Gemstone

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    Iceland spar, a colorless and transparent mineral crystal held in a hand

    Iceland Spar: Optical Calcite

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    collecting-in-arizona

    Rock Collecting in Arizona

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    Visiting the Meteor Crater in Arizona

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    tucson-year-round

    Tucson’s Year-Round Mineral Offerings

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    rough-gemstones

    From Rough Gemstones to Jewelry

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