Pair of Brazilian Amethyst Cathedral Geodes on Metal StandsWilliamson Auction Gallery4.7(344)$1,000Sep 29, 2026
Large Amethyst Geode with Calcite Crystal on Metal StandWilliamson Auction Gallery4.7(344)$800Sep 29, 2026
Rare Amethyst Cluster with Double Terminated Quartz CrystalsFossils & Gemstones of Houston4.5(36)$5005 days Left
84.75 Carats Natural Bi-Color Ametrine Raw Rough Crystal Chunk, 75YRLazo Heritage4.4(22)$101 day Left
