• obsidian lithics - Yellowstone National Park

    Obsidian – Natural, Carved, Black

    Obsidian lithics (stone tools), found in Yellowstone National Park. Photo by the National Park Service/Jacob W. Frank. Public Domain.

    Article: Obsidian Value, Price, and Jewelry Information

    Credit: National Park Service

    GemstoneNatural Glass, Obsidian, Artisanal Glass
    Natural or man madeNatural
    Gem StateCarved