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    coral necklace made with these orange rocks and gemstones

    Orange Rocks and Gemstones: Top Ten

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    watermelon tourmalines pink and green polished and shiny on white background

    Watermelon Tourmaline Field Guide

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    pink-opal

    Pink Opal: What to Cut

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    Cabbed youngite specimen with an exposed druzy top.

    Youngite: How to Cut and Polish

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    Turquoise in the American Southwest

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    Helen Serras-Herman at her lapidary business booth at an art gallery.

    10 Lapidary Business Tips for Artists & Vendors

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    Finished Quintet ge cutting design in smoky quartz.

    Gem Cutting: How to Facet a Large Quartz Gemstone

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    Montana’s Dryhead fluorescent agate shows a dramatic color shift when short-wave UV light excites the uranyl ions.

    Fluorescent Agate: Why Some Agates Glow Under UV Light

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    Vesta, an asteroid included in the notable asteroid space rocks

    Asteroid Belt Rocks: Clues to Earth’s Formation

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    diamond alternative goshenite ring

    What’s the Best Diamond Alternative?

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