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LOT 2480
Bismuth Crystal Display Formation
1 1/4 in. (15 grams, 33 mm).
Cluster of hopper crystals exhibiting a stairstep crystal structure and iridescent colours. [No Reserve]
ProvenanceFrom a Cambridgeshire, UK, collection.
CONDITIONTimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
AUCTIONS:
TimeLine is a leading auction house specialising in antiquities, ancient art, collectables, natural history, coins, medals, and books. Our auctions offer museums, collectors, historians, and enthusiasts the opportunity to acquire unique and historically significant pieces.
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Polished Fossil Ammonite Plate
Jurassic Period, circa 199-145 million years B.P.Sold for (Inc. bp): £78
Composite plate with cut ammonite slices set in resin. 124 grams, 12 cm
From a Lincolnshire, UK, collection. -
Citrine Gem Tree on Amethyst Crystal Geode Section
Sold for (Inc. bp): £20
Irregular geode matrix with light purple amethyst crystals; the metal branches tipped with polished light-coloured citrine pebbles. 505 grams, 16 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
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.
