FEATURED6.9 Carat ---- Brazilian Green Tourmaline ---- Trillion CutEstimate: $2,500 - $2,700Starting Bid$50Oceanside, CACalifornia Gemstones4.1(28)
FEATURED2.29ct Natural Ethiopian Welo Solid Opal Cabochon Loose Gemstone, 7SNEstimate: $20 - $40Starting Bid$10Sathorn, BangkokLazo Heritage4.4(29)
FEATURED4.50 Carat ---- Swiss Blue Topaz---- Cushion Cut---10.8 x 8.3 x 5.7mmEstimate: $50 - $80Starting Bid$5Oceanside, CACalifornia Gemstones4.1(28)
FEATURED10.29 Carats Natural Madagascar Soft Pastel Pink Heated Ruby Oval Cabochon Loose Gemstone, 92WSEstimate: $20 - $40Starting Bid$10Sathorn, BangkokLazo Heritage4.4(29)
Fossil Ichthyosaur SkeletonEstimate: £5,000 - £7,000Starting Bid£1,800Harwich, EssexTimeLine Auctions Ltd.4.6(203)
1.07 ct Brazilian Paraíba Tourmaline Shape: OvEstimate: $20,000 - $30,000Starting Bid$15,000Dallas, TXHeritage Auctions4.2(615)
Button Base Dovetail 4 1/16" Purple and caramel Flint Ridge Chalcedony, found Near Africa Road,Estimate: $3,000 - $4,000Current Bid - 1 bid$1,500Addison, ILLeonard Auction, a division of The Leonard Company4.6(632)
Subhyracodon Rhino Skull with Associated Bones from One Animal, South Dakota, 25 InchEstimate: $16,000 - $22,500Starting Bid$8,000Louisville, COArtemis Fine Arts4.7(1.5k)
4.20 ct Purple-Pink Sapphire Shape: Oval MeasurEstimate: $5,000 - $7,000Starting Bid$4,000Dallas, TXHeritage Auctions4.2(615)
Fossil Ichthyosaur Skull and Partial SkeletonEstimate: £2,000 - £3,000Starting Bid£900Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Large Campo Del Cielo Meteorite SpecimenEstimate: £2,000 - £3,000Starting Bid£1,800Harwich, EssexTimeLine Auctions Ltd.4.6(203)
29" Natural Giant Clam Shell, Tridacna gigasEstimate: $1,000 - $2,000Current Bid - 1 bid$300Lorton , VAArarity Auctions4.7(232)
FEATUREDAwesome Complete Baby Mosasaur Fossil Skull Display with StandEstimate: $25 - $50,000Current Bid - 2 bids$75Springtown, TXLEAP Auctions4.2(19)
FEATURED207.67ct Natural Spinel Rough Gemstone Parcel, Raw Spinel Crystals, 36TVEstimate: $30 - $60Starting Bid$15Sathorn, BangkokLazo Heritage4.4(29)
FEATUREDMonster 6 3/8" Polished Megalodon Prehistoric Shark Authentic Fossil ToothEstimate: $25 - $50,000Current Bid - 2 bids$75Springtown, TXLEAP Auctions4.2(19)
FEATURED2.65ct Natural Siamese 6-Ray Black Star Sapphire Loose Gemstone, 19XYEstimate: $20 - $40Starting Bid$10Sathorn, BangkokLazo Heritage4.4(29)
6.51 ct Colombian Emerald Shape: Octagonal MeasEstimate: $10,000 - $15,000Starting Bid$8,000Dallas, TXHeritage Auctions4.2(615)
Huge 6.5" Megalodon Shark Tooth, Serrated Pale Tan Crown, Natural EnamelEstimate: $8,000 - $12,000Starting Bid$4,000Louisville, COArtemis Fine Arts4.7(1.5k)
Kentrosaurus Dinosaur Shoulder Spike, Tendaguru Tanzania, Late Jurassic, 24"Estimate: $30,000 - $40,000Starting Bid$13,000Louisville, COArtemis Fine Arts4.7(1.5k)
Large Cut and Polished Roman Imperial Purple Porphyry Fragmentary SlabEstimate: £1,500 - £2,000Starting Bid£1,300Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Intact Egg of the Aepyornis Maximus 'Elephant Bird'Estimate: £40,000 - £60,000Starting Bid£38,000Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Mosasaur Skull 30 Inch, Young Mosasaurus with Pterygoid Teeth, Late CretaceousEstimate: $15,000 - $22,500Starting Bid$7,500Louisville, COArtemis Fine Arts4.7(1.5k)
Southern Mammoth Tooth, Mammuthus meridionalis, Early Pleistocene, Eurasia, on StandEstimate: $1,800 - $2,500Starting Bid$800Louisville, COArtemis Fine Arts4.7(1.5k)
FEATURED100.23ct Natural Neon Blue Apatite Rough Parcel, 13SREstimate: $40 - $80Starting Bid$20Sathorn, BangkokLazo Heritage4.4(29)
FEATURED1.61 Carats Royal Blue Sapphire Square Cut Loose Gemstone, 40SEEstimate: $20 - $40Starting Bid$10Sathorn, BangkokLazo Heritage4.4(29)
FEATURED4.38 Carats Natural Green Rutilated Peridot Pear Faceted Loose Gemstone, 88SCEstimate: $30 - $60Starting Bid$15Sathorn, BangkokLazo Heritage4.4(29)
5.8 Inch Megalodon Shark Tooth, Creamy Tan Enamel, Dark Gray RootEstimate: $1,500 - $2,250Starting Bid$750Louisville, COArtemis Fine Arts4.7(1.5k)
A fossilized crinoid & starfishEstimate: $700 - $900Starting Bid$350Santa Fe, NMTAOS Auction Co4.4(20)
Fractured Base 3 9/16" Glossy Grey Kentucky Flint with Blue Quartz Inclusions, found BetweenEstimate: $800 - $1,000Starting Bid$400Addison, ILLeonard Auction, a division of The Leonard Company4.6(632)
Very Large Mosasaur 'Marine Dinosaur' Fossil Lower JawEstimate: £1,000 - £1,400Starting Bid£900Harwich, EssexTimeLine Auctions Ltd.4.6(203)
A Pre-historic hematite discoidal stoneEstimate: $700 - $900Starting Bid$350Santa Fe, NMTAOS Auction Co4.4(20)
Very Rare Pterosaur Flying Dinosaur Fossil in MatrixEstimate: $25 - $50,000Current Bid - 4 bids$100Springtown, TXLEAP Auctions4.2(19)