FeaturedSave1 day LeftVery Large 236g Natural Gold Nugget (7.6 oz)Richmond Auctions4.6(82)Est. $25-$300,000$18,000(9 bids)
FeaturedSave1 day LeftSmokey Quartz Sculptural with Massive Golden Rutile InclusionsRichmond Auctions4.6(82)Est. $25-$300,000$25(1 bid)
FeaturedSave1 day Left68g Large Reef Gold Nugget (2.1oz)Richmond Auctions4.6(82)Est. $25-$300,000$3,000(5 bids)
FeaturedSave1 day LeftExtremely Large 391g Natural Gold Nugget (12.5oz) - Golden HoneycombRichmond Auctions4.6(82)Est. $25-$300,000$33,000(14 bids)
Save7 days LeftA Collection of Mineral Specimens, Semi-Precious Stones, and FossilsPalmer's Auction Co4.5(79)Est. $5-$100$15(3 bids)
SaveStarts Mar 27Shadow Box Display of Rocks, Minerals, and Possible Fossils in Wooden FrameLodestar Auctions4.7(445)Est. โ$20
SaveEnds in 13d 22hAssorted Geological Specimens, Minerals, FossilsA New Day Auctions LLC4.7(301)Est. โ$10
Save4 days LeftA Spectacular High Grade Megalodon Tooth on Natural BaseLeland Little4.5(741)Est. $50-$25,000$175(6 bids)
Save4 days LeftZAFFIRO NON MONTATO - UNMOUNTED SAPPHIREAste Bolaffi 4.4(18)Est. โฌ162,500-โฌ195,000โฌ130,000
Save3 days LeftPeace River, Florida Mastodon Leg FossilAlaska Premier Auctions & Appraisals4.3(47)Est. $2,500-$3,500$1,200
FeaturedSave6 hrs LeftTourmaline 8.46ct Round Cut from Brazil No reserve GIE Certified Georgeous ColorCalifornia Gemstones4.3(4)Est. $15,200-$17,450$55(1 bid)
FeaturedSave1 day Left265g Very Large Reef Gold Nugget (8.5oz)Richmond Auctions4.6(82)Est. $25-$300,000$4,400(5 bids)
FeaturedSave15 hrs LeftA Burmese Jadeite Jade Rough, 20th Century, 55FSThousandPlanet4.5(245)Est. $40-$80$5
FeaturedSave1 day Left149 gram Rare Large Reef Gold Nugget Extracted From Quartz Vein (4.7 oz)Richmond Auctions4.6(82)Est. $25-$300,000$2,400(6 bids)
SaveApr 12, 2026Don Balke (NC,1933-?) gouache paintingBroward Auction Gallery4.7(360)Est. $650-$800$10
Save4 days LeftTwo Colorful North Carolina Megalodon Teeth on Custom StandLeland Little4.5(741)Est. $50-$25,000$50(1 bid)
SaveApr 16, 2026AN IMPERIAL ROSE QUARTZ TRIPOD CENSER AND COVER, QIANLONG PERIODGalerie Zacke 4.4(52)Est. โฌ15,000-โฌ30,000โฌ15,000
SaveApr 19, 2026Incredible 19" Mosasaur Dinosaur Fossil Skull, Cretaceous, Circa 80-70 Million Years Old. Northern AHeartland Artifact Auctions4.7(876)Est. $15-$10,000$300(7 bids)
SaveApr 11, 2026Veronica Ryan Marbled Stone Sculpture 1999Concept Art Gallery4.7(533)Est. $2,000-$4,000$1,600
Save12 hrs LeftZEPPELIN HINDENBURG SILVER FABRIC AND GAS BAG CRASH RELICSAlexander Historical Auctions LLC4.5(295)Est. $600-$800$440(2 bids)
FeaturedSave6 hrs LeftLondon Blue Topaz 2.93ct Trillion Cut from Brazil VVS Dazzling Blue No reserveCalifornia Gemstones4.3(4)Est. $50-$280$55(2 bids)
FeaturedSave1 day Left124.4g Rare Inverted Crystal Large Gold Nugget (4oz)Richmond Auctions4.6(82)Est. $25-$300,000$3,200(6 bids)
Save11 hrs LeftGIA Certified 5.00ct Oval Diamond I VVS1Diamond Depot4.3(11)Est. $178,956-$214,747$55,000
SaveApr 23, 2026XL MEGALODON SHARK Tooth FossilWestern Sportsman LLC4.5(81)Est. $10-$10,000$125(6 bids)
SaveApr 15, 2026Natural Large Clam Shell SpecimenThe Benefit Shop Foundation Inc.4.4(3.4k)Est. $50-$100$25(2 bids)
Save1 day Left34g Natural Gold Nugget - Golden Capybara (1.09oz)Richmond Auctions4.6(82)Est. $25-$300,000$950(5 bids)
SaveEnds in 28d 15hXXL Natural Arkansas CLEAR QUARTZ CRYSTAL Cluster on GREEN CHLORITE Specimen, Weight: 18 lbsWestern Sportsman LLC4.5(81)Est. โ$40(8 bids)