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LOT 2316
29 Carat Rough Natural Uncut Aquamarine Crystal
7/8 in. (5.82 grams, 22 mm).
Pale blue specimen exhibiting vitreous lustre. [No Reserve]
ProvenanceEx Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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Bismuth Crystal Display Formation
Sold for (Inc. bp): £20
Cluster of hopper crystals exhibiting a stairstep crystal structure and iridescent colours. 21 grams, 36 mm
From a Cambridgeshire, UK, collection. -
Polished Amber with Midges
Oligocene Period, circa 45 million years B.P.Sold for (Inc. bp): £130
Translucent orange amber with midge inclusions. 2.89 grams, 28 mm
From a Norfolk, UK, collection. -
Fossil Tylosaurus Marine Dinosaur Vertebra
Late Cretaceous Period, circa 92-66 million years B.P.Sold for (Inc. bp): £52
The main body of a vertebra with two raised ridges underneath, likely a pygal or caudal vertebra; old inked collector's number 'VR26'. 622 grams, 96 mm
From near Harlan County Dam, Nebraska, USA. From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent.
Tylosaurus was an apex marine predator during the Late Cretaceous period, and is classified in the superfamily Mosasauroidea.
