4 LARGE MINERAL SPECIMENS, CRYSTALS, GEODE. 8" X 6" AND SMALLERKimballs Auction and Estate Services4.3(188)$50Feb 08, 2026
Natural polished Half Cut Hardstone Amethyst Geode Bookends PaperweightsCarnegie's Auction Gallery4.4(12)$200Feb 22, 2026
6.24g Mexican Geode Druzy - Mineral RoughKsmith Heritage Auctioneers4.3(45)See Sold PriceJul 27, 2025
A LARGE GEODE AND A FOSSIL, 16" AND 12" X 10" X 8"Kimballs Auction and Estate Services4.3(188)$50Feb 08, 2026
SoldTall Natural Geode FormationsLarge and tall blue grey to crystal natural geode formations. 8" x 9" wide.See Sold Price
SoldLarge Natural Geode FormationsLarge cerulean blue to light blue hue natural rock crystal mineral formations 6" tall x 11" wide.See Sold Price
SoldLarge Natural Geode FormationsVery large sepia to brown mineral formations. 7" tall x 11" wide together.See Sold Price
SoldLarge Natural Geode FormsLarge bright blue to clear hue crystal geode formations. Approx 11" wide x 7" tall for pair.See Sold Price
SoldNatural Geode FormationsNatural geode mineral formations from light aqua crystal to dark hue.See Sold Price
SoldLarge Amethyst Natural Formation GeodeA large and naturally formed amethyst geode. The geode contains diverse inclusions of amber and calcite.See Sold Price
SoldUnique Natural Geode With Cross Shaped Crystal FormationUnique Natural Geode With Cross Shaped Crystal Formation. Approximately 6.375H x 4.0W x 2.75D in.See Sold Price
SoldNATURAL DARK BROWN QUARTZ GEODE CRYSTAL FORMATIONNATURAL DARK BROWN QUARTZ GEODE CRYSTAL FORMATION - Measures 4" x 5.5" in size - Great conditionSee Sold Price
SoldWhite Quartz Large Natural GeodeDESCRIPTION: Large natural white quartz geode with large formation of crystals. CIRCA: 21st Century. ORIGIN: Unknown. DIMENSIONS: H: 4" W: 11 1/2" D: 5 1/4" CONDITION: Good condition. See lot descriptSee Sold Price
SoldNatural Amethyst Quartz Cluster SpecimenNatural amethyst geode featuring a dense formation of violet quartz crystal points rising from a lighter-toned quartz matrix. The specimen shows an exposed cavity at the base with iron-oxide discoloraSee Sold Price
SoldPetrified Wood VaseShellacked petrified wood vase. Lathed smooth neck and base with remained in natural formation. Measuring approx. 12" tall. In good condition with no breaks, see photos.See Sold Price
SoldLarge Natural Formation Blue Kyanite GeodeA naturally formed piece of Blue Kyanite with a diverse color pallet. The stone contains hues of silver, gold, brown and black quartz formations.See Sold Price
Sold20.5 inch tall Amethyst Brazilian Geodes Chimney. Natural Mineral Specimen.20.5 inch tall Amethyst Brazilian Geodes Chimney. Natural Mineral Specimen. Dimensions: H: 20.5 inches: W: 9.5 inches: D: 7 inches ---See Sold Price
SoldeCollection of Geods, RocksCollection of Geodes, Rocks,some natural formation, some cut and or polished in various sizes. CONDITION: As found.See Sold Price
SoldNatural Geode Quartz Crystal Stone Specimen LOTCollection of eleven natural mineral and stone specimens displaying varied colors, formations, and crystal structures. The group includes a white quartz geode with a crystal-lined interior, two orangeSee Sold Price
SoldPair of Septarian Natural Geode Bookend SpecimensPair of natural septarian geodes, split and polished to reveal golden calcite crystal formations with intricate internal structure and contrasting brown matrix. The outer surface retains its rough, naSee Sold Price
SoldPair of Natural Amethyst Crystal ClustersPair of natural amethyst crystal clusters showcasing deep violet to lavender hues. The larger piece features a densely packed geode formation with a crystalline interior. The smaller cluster presentsSee Sold Price
SoldPair of Natural Amethyst Crystal ClustersPair of natural amethyst crystal clusters showcasing deep violet to lavender hues. The larger piece features a densely packed geode formation with a crystalline interior. The smaller cluster presentsSee Sold Price
SoldLARGE CRYSTAL QUARTZ GEODE SPECIMEN, 113LBSLarge crystal quartz geode specimen, in natural rock formation, approx 9.5"h, 21.5"w, 16"d, 113lbs Start Price: $80.00See Sold Price
SoldAmethyst Geode Clock, Prehistoric Fossils & GeodThis diverse collection includes a striking amethyst geode clock, accompanied by a variety of fascinating fossils and geode slices. The amethyst geode features a natural crystal formation and an embedSee Sold Price
SoldLARGE CUT & POLISHED NATURAL AMETHYST GEODELarge cut and polished natural amethyst geode. Sits on a fitted wood stand. Measures a total of 10.5" tall. Condition: good, see images. Weight: 14 lbs.See Sold Price
SoldNatural Amethyst Geode & Quartz Crystals Form LOTA three (3) piece collection of natural geological crystal formations. Includes: one (1) pair of amethyst cathedral geodes; and one (1) brown quartz crystals arrangement in natural form. Largest measuSee Sold Price
SoldNatural Agate Geode Semi Polished Stones 2pc LOTTwo-piece natural agate geode with red, amber, and cream banding and quartz centers, rough exteriors, and polished faces revealing concentric layers. The largest measures approximately 6 inches tall bSee Sold Price
SoldNatural Agate Geode BookendsNatural Agate Geode BookendsA beautiful pair of agate geode arched bookends measuring 10" tall and 3 1/4" wide. A couple of natural flaws and fissures in the bases as shown in photos.See Sold Price
