FEATURED7.75 Carat ---- Burmese Red Ruby---- Brilliant Oval Cut----12 x 10 x 6mm, unheatedEstimate: $22,000 - $23,000Starting Bid$100Oceanside, CACalifornia Gemstones4.1(27)
FEATURED7.30 Carat ---- Namibian Jeremejevite ----Brilliant Oval Cut----13.7 x 10.10 x 6.10mmEstimate: $14,000 - $15,000Starting Bid$80Oceanside, CACalifornia Gemstones4.1(27)
FEATURED3.76 Carats Natural Yellow Sapphire Oval Faceted Loose Gemstone, 99SKEstimate: $30 - $60Starting Bid$15Sathorn, BangkokLazo Heritage4.4(27)
FEATURED0.74 ct Unheated Rectangular Cushion Cut Pink Sapphire Loose GemstoneEstimate: $3,000 - $5,000Starting Bid$300Hollywood, FLLion and Unicorn4.7(2.6k)
Large Fossil, Petrified Wood, and Mineral CollectionEstimate: $300 - $500Current Bid - 1 bid$150Windsor, CTNadeau's Auction Gallery4.7(456)
Assorted Natural Mineral and Fossil SpecimensEstimate: $15 - $30Starting Bid$5Okemos, MIKellie's Estate Sales4.6(216)
Ends in 1d 8h8-piece Assorted Rock, Mineral And Fossil Specimen Lot With Sea Moss, Invertebrate FossilsEstimate: $8 - $25Starting Bid$5Seattle, WASeattle Magpies4.4(39)
Ends in 1d 9hAssorted Element Fossil Mineral Collection With Metal Nuggets And Green Sea Glass PieceEstimate: $12 - $35Starting Bid$5Seattle, WASeattle Magpies4.4(39)
Fossil, Mineral and Bone Artefact CollectionEstimate: £10 - £20Starting Bid£5Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Buy NowLarge Fossil Whale Spine Display, Mineralized Vertebrae, Florida Find$8,000Louisville, COArtemis Fine Arts4.8(1.5k)
Mosasaur 'Marine Dinosaur' Fossil Teeth in Composite JawEstimate: £60 - £80Starting Bid£5Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Mineral & Fossil Specimen LotEstimate: $25 - $50Starting Bid$10Missoula, MTHamilton & Sons Auctions4.3(1)
FEATURED7.27 Carats Natural Swiss Blue Topaz Loose Gemstone, 96WJEstimate: $50 - $100Starting Bid$25Sathorn, BangkokLazo Heritage4.4(27)
FEATURED81.25ct Natural Multi-Colour Spinel Rough Parcel Loose Gemstone, LZ863Estimate: $50 - $100Starting Bid$25Sathorn, BangkokLazo Heritage4.4(27)
FEATURED9.41ct Natural Ethiopian Welo Solid Opal Cabochon Loose Gemstone, 63SMEstimate: $80 - $160Starting Bid$40Sathorn, BangkokLazo Heritage4.4(27)
FEATURED6.35 Carat ---Namibian Light Green Tourmaline---Round Cut 9 x 6mm, UnheatedEstimate: $600 - $800Starting Bid$20Oceanside, CACalifornia Gemstones4.1(27)
Buy NowAlaskan Pleistocene Fossil Bone Section, Possibly Mammoth, Russet Patina$500Louisville, COArtemis Fine Arts4.8(1.5k)
Live Now - 609 Lots Away14.73 Cts GIA ParaibaEstimate: $10,000 - $15,000Starting Bid$7,500Bangkok, Krung ThepNile Jewels Co Ltd
Mosasaur Globidens 'Marine Dinosaur' Fossil Tooth in a MatrixEstimate: £40 - £60Starting Bid£5Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Live Now - 120 Lots Away4.39 Cts GRS Certified Colombian EmeraldEstimate: $18,000 - $36,000Current Bid - 2 bids$3,500Bangkok, Krung ThepNile Jewels Co Ltd
Live Now - 105 Lots Away6.62 Cts GRS Certified Luxurious Colombian EmeraldEstimate: $37,500 - $75,000Starting Bid$6,000Bangkok, Krung ThepNile Jewels Co Ltd
Buy NowGenuine Mammuthus Primigenius Fossil Ivory Tusk, Pleistocene Alaska$19,000Louisville, COArtemis Fine Arts4.8(1.5k)
Buy NowOreodont Skull Fossil, Merycoidodon culbertsoni, Oligocene White River Group, Nebraska$16,000Louisville, COArtemis Fine Arts4.8(1.5k)
FEATURED7.40 Carat ---- Mogok Pink Ruby---- Oval Cut----12.0 x 9.4 x 7.1mm--heatedEstimate: $18,000 - $19,000Starting Bid$100Oceanside, CACalifornia Gemstones4.1(27)
Fossil Ichthyosaur SkeletonEstimate: £5,000 - £7,000Starting Bid£1,800Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Fossil Belemnites in MatrixEstimate: £30 - £40Starting Bid£5Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Live Now - 110 Lots Away39.67 Cts GIA Certified AquamarineEstimate: $45,000 - $90,000Starting Bid$7,500Bangkok, Krung ThepNile Jewels Co Ltd
Original Mammoth Tusk FossilEstimate: $4,500 - $6,500Starting Bid$4,500Selangor, Petaling JayaBOC AUCTION HOUSE4.2(4)
Mixed Mineral Specimen CollectionEstimate: £20 - £30Starting Bid£5Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Live Now - 55 Lots Away4.25 Cts GIA Certified ParaibaEstimate: $13,500 - $27,000Starting Bid$2,250Bangkok, Krung ThepNile Jewels Co Ltd
Super Awesome Complete Mosasaur Authentic Fossil Skull on Custom Display StandEstimate: $25 - $50,000Current Bid - 4 bids$250Springtown, TXLEAP Auctions4.2(19)