• amethyst geode - how does quartz form

    Amethyst – Natural, Specimen, Purple

    Sometimes, quartz forms from thermal fluids entering hollow parts of pillow basalts, creating geodes. Photo courtesy of liveauctioneers.com and Napoleon's Fine Art.

    Article: How Does Quartz Form?

    Credit: <span class="sellerName___29phr">Napoleon’s Fine Art</span>

    GemstoneQuartz, Amethyst
    Natural or man madeNatural
    Gem StateSpecimen