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    Burmese vivid red spinel pair.

    Rediscovering Spinel: A Legacy Reborn

    Gemstones Issue 56 Rahul Jain -
    There is a quiet poetry to spinel—a gemstone that has adorned the crowns of kings, yet spent centuries living under another’s name. In the...
    Different types of amethyst, from 'Rose de France' to lavender to reddish, in rough form and in various cuts and sizes.

    Amethyst’s Regal Allure

    Gemstones Issue 56 Lauriane Lognay -
    Re-visiting a gemstone that has been in the jewelry world for hundreds of years—and written about many thousands of times—can be a daunting task....
    Fei-Cui-Global-Supply-Chain-Research

    Fei Cui Global Supply Chain Research – Update

    Gemstones Issue 56 InColor -
    During the Christmas to New Year 2024/2025 period and throughout 2025, the Guild Field Expedition Team traveled to Fei Cui producing areas and market...
    Precious corals are not just used in jewelry, but also in complex objects and statues such as seen in this temple in Taiwan. (Photo: Laurent Cartier)

    Precious corals and genomic transparency

    Gemstones Issue 56 Dr Laurent E. Cartier, Dr. Bertalan Lendvay, Dr. Akitsugu Sato and Dr. Michael S. Krzemnicki -
    Precious corals have been coveted across different continents and are some of the oldest gems used by humans. Historically, they were found in the...
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    InColor magazine is the ICA's quarterly publication, all about colored gemstones. A must read for anyone in the gemstone and jewelry industry, as well as the gem enthusiast. InColor reports on information relating to the gemstone trade, mining, gemology, education, trends, fashion as well as ICA member related issues.
    Contact us: ica@gemstone.org

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