Large Cluster of Dactylioceras Ammonite Fossil with Display StandHeritage Gallery Auctions4.4(105)US$180(2 bids)319 Lots Away
Large Mosasaur 'Marine Dinosaur' Fossil Tooth with Natural RootTimeLine Auctions Ltd.4.6(200)£5(1 bid)6 days Left
Large Black Tourmaline Specimen with Matrix ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.4(529)US$105 days Left
LARGE CATHEDRAL BOLIVIAN DRUZY AMETHYST CRYSTAL GEODE WITH BLUE AGATEDan Morphy Auctions4.3(1.4k)US$50(2 bids)Jun 11, 2026
LARGE CATHEDRAL BOLIVIAN DRUZY AMETHYST CRYSTAL GEODE WITH AGATEDan Morphy Auctions4.3(1.4k)US$125Jun 11, 2026
LARGE CATHEDRAL BOLIVIAN AMETHYST CRYSTAL GEODE WITH BLUE AGATEDan Morphy Auctions4.3(1.4k)US$100Jun 11, 2026
Large Amethyst cathedral geode specimen features a deep interior cavity lined with crystalline quartUniques and Antiques, Inc.4.7(877)US$75Jun 09, 2026
Large Group of Thirty Seven [37] Large Rock Crystal Mineral PointsTimeLine Auctions Ltd.4.6(200)£56 days Left
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