Emerald – Natural, Faceted, Green

    Chromium provides color to some gemstones, including emerald, ruby, and alexandrite. However, the oxidation state of trace chromium in these gems is 3+, so these gems aren't highly toxic. Emerald pendant, photo by Topzhang. Licensed under CC By 2.0.

    Article: Toxic and Radioactive Gems: Safety Tips

    Credit: Topzhang

    GemstoneBeryl, Emerald
    Natural or man madeNatural
    Jewelry typenecklace
    Gem StateFaceted