• Coober Pedy - opalized bivalve fossil

    Opal Stone – Natural, Specimen, Orange

    Opalized bivalve found in Coober Pedy. Photo by James St. John. Licensed under CC By 2.0.

    Article: Opal Mining in Coober Pedy: History and Methods

    Credit: James St. John

    GemstoneOpal Stone
    Natural or man madeNatural
    Origin detailsCoober Pedy
    Gem StateSpecimen
    ColorOrange, Green, Purple
    Photo phenomenaPlay of Color