Large Amethyst Geode With Stalactites and Large Calcite CrystalFossils & Gemstones of Houston4.4(27)$1,3006 days Left
Rare Amethyst Cluster with Double Terminated Quartz CrystalsFossils & Gemstones of Houston4.4(27)$5006 days Left
AGATE AND AMETHYST CRYSTAL WITH CALCITE FORMATIONLewis & Maese Antiques & Auction4.4(548)$375Apr 29, 2026
122 Pound Uruguayan Amethyst Geode WIth Large Calcite Crystal - MONUMENTFossils & Gemstones of Houston4.4(27)$3,0006 days Left
Large Amethyst Cathedral Geode with Calcite Crystal InclusionEstate Inventory Auctions4.3(24)$100(1 bid)2 days Left
Amethyst Cluster with 61-Gram Weight Rock Stone Lapidary SpecimenCol. Christie Hatman Auctioneers4.4(510)$5850 Lots Away
