• gem classification - synthetic

    Cubic Zirconia

    Manufacturers can create cubic zirconia as colorless stones or in a variety of colors, like these blue specimens. Photo by Jack Spades. Licensed under CC By 2.0.

    Article: A Guide to Gem Classification

    Credit: Jack Spades

    GemstoneCubic Zirconia
    Natural or man madeLab-made
    Gem StateFaceted