Large Amethyst Geode with Calcite Crystal Formations on Metal StandWilliamson Auction Gallery4.7(346)$800Sep 29, 2026
FUSED GEOLOGICAL AMETHYST & SELENITE SPECIMEN SCULPTURE, 18"HAustin Auction Gallery4.7(1.3k)$175(3 bids)6 days 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)24 hrs Left
Natural Violet Amethyst Gemstones 268.95 Ct. Rough Shape 61 x 31 Mm.Treasure of Gems & Jewelry4.5(270)$1Oct 1, 2026
Natural Purple Amethyst Gemstones 157.34 Ct. Rough Shape 51 x 30 Mm.Treasure of Gems & Jewelry4.5(270)$1Oct 1, 2026
3.68ct Natural Brazilian Purple Amethyst Pear Faceted Gemstone, 61YWLazo Heritage4.4(24)$102 days Left
