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LOT 3140
Large Geode Section with 'Snowball' Quartz
20 in. (23.95 kg total, 51 cm including stand).
Rounded geode section with polished borders, lined with snowball-like formations of grey, white and light blue 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 3140
Large Geode Section with 'Snowball' Quartz
Estimate £1,200 - 1,700€1,390 - 1,970 (for guidance only)$1,620 - 2,300 (for guidance only)
Opening Bid
£600 (EUR 696; USD 810) +BP*
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Mounted Amethyst Crystal Display
Estimate: £650 - 750 (+bp*)
Opening Bid: £342
A triangular polished geode section displaying green, pink and brown colours, lined with small prismatic light and dark purple amethyst crystals; mounted on a custom-made display stand. 3.48 kg total, 28.5 cm including stand
From Artigas, Uruguay. Property of a London lady. -
Silver Sheen Obsidian Sphere
Estimate: £80 - 100 (+bp*)
Opening Bid: £5
Medium-sized sphere showing silvery-white metallic schiller effect on one side. 373 grams, 66 mm
From a Cambridgeshire, UK, collection. -
Liopleurodon Apex Marine Predator Fossil Vertebra
Middle Jurassic Period, circa 160 million years B.P.Estimate: £300 - 400 (+bp*)
Opening Bid: £150
The vertebra with concave depressions on both faces, two pairs of small processes on the outer face and a pair of ventrolateral crests. 1.16 kg, 14.1 cm wide
From Farringdon Clay, Oxfordshire, UK. Property of a Bristol, UK, gentleman collector.
Liopleurodon is an extinct genus of pliosaurid plesiosaurs that could reach over 8 meters in length. It had two pairs of flippers, a short neck and a long head. Various studies have shown it to have been an ambush predator that fed on cephalopods, marine reptiles and fish.