• gemstone colors - blue zircons

    Zircon – Natural, Faceted, Blue

    Blue zircons have a refractive index (RI) range very distinct from those of other popular blue color gemstones. Photo © Joel E. Arem, PhD, FGA. Used with permission.

    Article: Can You Identify Gems Without Seeing Gemstone Colors?

    Credit: Joel E. Arem, PhD, FGA

    Natural or man madeNatural
    Jewelry typeBrooch
    Gem StateFaceted