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LOT 1781
Natural History - Cut and Polished Agate Crystal Geode Slice Group
4 - 5 1/4 in. (652 grams total, 10.3-13.5 cm).
A group of six blue-coloured cut and polished agate geode slices; colour-enhanced. [6, No Reserve]
ProvenanceMineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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LOT 1781
Natural History - Cut and Polished Agate Crystal Geode Slice Group
Sold for (Inc. bp): £59
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Natural History - Amethyst Crystal Section
Sold for (Inc. bp): £33
A section of amethyst geode displaying some large purple crystals. 677 grams, 85 mm
From Brazil. Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Polished Fossil Ammonite Display
Jurassic Period, 199-145 million years B.P.Estimate: £180 - 240 (+bp*)
Opening Bid: £90
A fossil ammonite mounted on a matrix style display base; some restoration. 4.1 kg, 22 cm high
From Madagascar. Ex Cambridgeshire, UK, collection. -
Natural History - Fossil African 'T-Rex' Dinosaur Tooth
Cretaceous Period, 145-93 million years B.P.Sold for (Inc. bp): £416
A large Carcharodontosaurus saharicus (African T-rex) tooth, with remains of enamelling and serration. 21.3 grams, 66 mm
From the Tegana formation of the Sahara Desert, Morocco, North Africa. Acquired during the 1980s. From an old Lincolnshire, UK, collection.
The Carcharodontosaurus saharicus was one of the largest predators of all time (larger than its distant North American T-Rex cousin) and is related to Allosaurus and the South American Giganotosaurus.