• toxic and radioactive gems - hyalite opal

    Opal Stone – Natural, Faceted, Green

    With trace amounts of uranium compounds, this hyalite opal is slightly radioactive and fluoresces under ultraviolet light. Photo by James St. John. Licensed under CC By 2.0.

    Article: Toxic and Radioactive Gems: Safety Tips

    Credit: James St. John

    GemstoneOpal Stone
    Natural or man madeNatural
    Jewelry typenecklace
    Gem StateFaceted
    Photo phenomenaGlow in the Dark