Nov 12, 2026Agate Mineral Specimens, 3Est. $200-$400Starting Bid$50Astoria, NYAuctions at Showplace4.6(855)
Starts in 2 days47.30 Ct Natural Crazy Lace Agate Pear CabEst. $100-$200Starting Bid$1Bangkok, THGems Auction4.7(500)
Starts in 17 hrsBanded Agate Vide PocheEst. $200-$400Starting Bid$50Astoria, NYAuctions at Showplace4.6(855)
Starts in 5 daysAgate Butterfly Wings on Metal StandEst. $900-$1,100Starting Bid$450Houston, TXFossils & Gemstones of Houston4.5(37)
Ends in 26d 20hPair of Polished Agate Geode Rocks-Bookends ?Est. £15-£20Starting Bid£15West Coast James Auctioneers London4.2(46)
Ends in 2d 2hGrouping of Rough Lapidary Rocks, Agate Geodes, and Chert/Flint SpecimensEst. —Current Bid - 1 bid$1Travelers Rest, SCPoinsett Auction & Realty, Inc.4.6(246)
Nov 12, 2026SEVEN 19TH CENTURY JAPANESE MEIJI PERIOD MIXED STONE OJIME including agate, rock crystal etc. (7)Est. £50-£75Starting Bid£30Selborne, Hampshire Hannam's Auctioneers Ltd4.3(422)
Dec 6, 2026Large Agate and Amethyst Column DisplayEst. £1,500-£2,000Starting Bid£1,400Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Nov 12, 2026A POLISHED AGATE SPECIMEN. 18 cm high.Est. £30-£50Starting Bid£20Selborne, Hampshire Hannam's Auctioneers Ltd4.3(422)
Dec 6, 2026Large Agate and Amethyst Column DisplayEst. £1,500-£2,000Starting Bid£1,400Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Starts in 3 days18H Natural Citrine Geode Cathedral Mineral SpecimenEst. $2,002-$2,602Current Bid - 1 bid$100New York, NYMynt Auctions4.5(938)
Nov 12, 2026A SMALL AGATE GRAND TOUR SALT. 8 cm wide.Est. £50-£75Starting Bid£30Selborne, Hampshire Hannam's Auctioneers Ltd4.3(422)
Nov 14, 2026Pair of Cut Thunderegg BookendsEst. $60-$125Current Bid - 1 bid$30SARASOTA, FLSarasota Estate Auction4.6(680)
Nov 14, 2026Lot of 6 Rock SpecimensEst. $150-$250Starting Bid$70PINE BUSH, NYRoberson's Auctions4.6(117)
Nov 10, 2026A Large Polished Natural Agate Slice with Natural Banding and a Crystalline Quartz CenterEst. $600-$700Starting Bid$200Azor, IsraelAqua Arts & Antiques4.4(12)
Ends in 9d 6hLot Of 4 Agate Rough Rock Mineral Specimens 1811gEst. $15-$45Current Bid - 1 bid$5Seattle, WASeattle Magpies4.4(39)
Dec 6, 2026Giant Agate Mineral BookendsEst. £70-£90Starting Bid£5Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Starts in 4 daysAgate and Crystal Group 1Est. $1,600-$5,000Starting Bid$1,600San Francisco, CAHEAVEN'S EARTH ANTIQUE CO LLC
Dec 6, 2026Agate Mineral Specimen GroupEst. £40-£60Starting Bid£5Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Nov 14, 2026vintage estate jewelry: stone belt buckleEst. $30-$35Starting Bid$14Pennsburg, PAYardley Antiques4.4(34)
Dec 6, 2026Smokey Blue 'Ghostbusters Slimer' Agate SliceEst. £40-£60Starting Bid£5Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Dec 6, 2026Blue 'Cookie Monster' Agate SliceEst. £40-£60Starting Bid£5Harwich, EssexTimeLine Auctions Ltd.4.6(203)