• Iolite, Yellow/Brown Direction - gemstone pleochroism

    Iolite – Natural, Rough, Yellow

    Iolite, yellow/brown direction. Photo by David Abercrombie. Licensed under CC By-SA 2.0.

    Article: What is Gemstone Pleochroism?

    Credit: David Abercrombie

    GemstoneIolite, Cordierite
    Natural or man madeNatural
    Gem StateRough
    ColorYellow
    TransparencyTranslucent