• synthetic quartz - hydrothermally grown

    Quartz – Lab-made, Rough, Gray

    A synthetic quartz crystal, grown via the hydrothermal method. Photo by Didier Descouens. Licensed under CC By-SA 4.0.

    Article: Should Beginners Practice Faceting on Natural or Synthetic Quartz?

    Credit: Didier Descouens

    GemstoneQuartz
    Natural or man madeLab-made
    Gem StateRough
    ColorGray
    TransparencyTranslucent