• quahog pearls with different shapes and colors

    Calcareous Concretions – Natural, Rough, Purple

    As you can see, quahog pearls come in a wide variety of shapes and sizes. © Kojima Pearl. Used with permission.

    Article: Quahog Pearl Buying Guide

    Credit: Kojima Pearl

    GemstoneCalcareous Concretions
    Natural or man madeNatural
    Gem StateRough
    ColorPurple, White