Large Amethyst Geode with Calcite Crystal Formations on Metal StandWilliamson Auction Gallery4.7(346)$800Sep 29, 2026
Rare Amethyst Cluster with Double Terminated Quartz CrystalsFossils & Gemstones of Houston4.5(36)$5005 hrs Left
2-Pc Natural Amethyst Crystal Cluster & Geode Specimens Largest 3" H x 5" W x 4" DMJ Welch Auctioneers & Appraisers4.7(210)$6(2 bids)1 day Left
