Cathedral Geode Half with Amethyst and Calcite CrystalsTimeLine Auctions Ltd.4.6(197)£1,800Mar 07, 2026
94 Pound Uruguayan Amethyst Geode WIth Large Stalactites - MONUMENTFossils & Gemstones of Houston4.4(24)$2,5007 days Left
122 Pound Uruguayan Amethyst Geode WIth Large Calcite Crystal - MONUMENTFossils & Gemstones of Houston4.4(24)$3,0007 days Left
Rare Amethyst Cluster with Double Terminated Quartz CrystalsFossils & Gemstones of Houston4.4(24)$5007 days Left
