• opal seam - opal prospecting and mining

    Opal Stone – Natural, Specimen, White

    Finding a seam of precious opal is the goal of many opal prospectors. Photo by Géry Parent. Licensed under CC By-ND 2.0.

    Article: Opal Prospecting and Mining

    Credit: Géry Parent

    GemstoneOpal Stone
    Natural or man madeNatural
    Gem StateSpecimen
    Photo phenomenaPlay of Color