• toxic and radioactive gems - hyalite opal

    Opal Stone

    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