Large Amethyst Cornucopia-Shaped Vug GeodeFossils & Gemstones of Houston4.4(24)$250(1 bid)4 days Left
Rare Double-Chambered Amethyst Cathedral Geode SetFossils & Gemstones of Houston4.4(24)$6004 days Left
Cathedral Geode Half with Amethyst and Calcite CrystalsTimeLine Auctions Ltd.4.6(197)£1,800Mar 07, 2026
Amethyst Cluster with 61-Gram Weight Rock Stone Lapidary SpecimenCol. Christie Hatman Auctioneers4.3(484)See Sold PriceFeb 15, 2026
Natural Raw Amethyst Specimen Weighing 57 Grams Rock Stone Lapidary SpecimenCol. Christie Hatman Auctioneers4.3(484)See Sold PriceFeb 15, 2026