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LOT 3023
Monumental Geode Section with Druzy Quartz Stalagmites
39 1/4 in. (68.4 kg total, 100 cm including stand).
A rounded geode section with towering stalagmites with druzy grey quartz; mounted on a custom-made display stand.
ProvenanceFrom Artigas, Uruguay.
Property of a London lady.
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AUCTIONS:
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LOT 3023
Monumental Geode Section with Druzy Quartz Stalagmites
Estimate £3,500 - 4,500€4,060 - 5,220 (for guidance only)$4,730 - 6,080 (for guidance only)
Opening Bid
£1,944 (EUR 2,256; USD 2,625) +BP*
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Mosasaur 'Marine Dinosaur' Fossil Tooth with Root
Cretaceous Period, circa 145-65 million years B.P.Estimate: £40 - 60 (+bp*)
Opening Bid: £5
Large curving tooth of Mosasaur prognathodon with some root; repaired. 160 grams, 12.5 cm
From a Cambridgeshire, UK, collection.
The Mosasaur is an extinct, large marine reptile dinosaur with an elongated body, long snout and paddle-like limbs. Found worldwide, they competed with other well-known sea predators of the Late Cretaceous, such as plesiosaurs and ichthyosaurs, for food, existing primarily on a diet of ammonoids, cuttlefish and fish. -
Amethyst Crystal Display with Flower-Shaped Calcite
Estimate: £1,200 - 1,700 (+bp*)
Opening Bid: £600
An unusual display comprising a cut and polished section of geode, lined with well-formed dark amethyst crystals and a flower-shaped cluster of calcite crystals to one side; mounted on a rotating custom-made display stand. 8.84 kg total, 47 cm including stand
From Artigas, Uruguay. Property of a London lady. -
Very Large Spinosaurus Dinosaur Fossil Tooth
Cretaceous Period, circa 125-113 million years B.P.Estimate: £100 - 140 (+bp*)
Opening Bid: £5
Large curving tooth of a spinosaurus showing brown patina; restored. 109 grams, 12.2 cm
From a Lincolnshire, UK, collection.
The Spinosaurus was both a beachcomber-type scavenger and an active hunter, taking small stranded Plesiosaurs, Pterosaurs, turtles and large fish; adults weighed up to 21 tonnes and grew up to 18 meters long.