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LOT 2390
Natural History - Cut and Polished Fossil Ammonite
MIDDLE CRETACEOUS PERIOD, 150 MILLION YEARS B.P.
3 - 3 1/8 in. (124 grams total, 77-81 mm).
Polished to reveal the distinctive structure of the Cleoniceras sp. chambers, some iridescence. [2, No Reserve]
ProvenanceFrom Madagascar.
Collected 1930-1960.
From the collection of the palaeontologist R. Gledhill.
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AUCTIONS:
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Natural History - Polished Green Tourmaline Group
Sold for (Inc. bp): £13
Comprising a quantity of 500 carats of tumble-polished green tourmaline crystals. 100 grams total, 6-15 mm
UK gallery, early 2000s. -
Natural History - Large NWA 15250 L5 Chondrite Meteorite Slice in Case
Found 2022 A.D.Sold for (Inc. bp): £208
The cut and polished slice held in a custom-made collector's display box. 51 grams total, 84 mm wide including case
From the Sahara Desert, North Africa. Property of a Sussex, UK, teacher. Accompanied by a specimen identification card from Adrian Contreras Gomez.
Chondrites are the oldest materials in the solar system with an estimated age of formation of 4.55 billion years. -
Natural History - British Fossil Aspidoceras Ammonite Display with Incredible Spines
Jurassic Period, circa 200 million years B.P.Estimate: £3,000 - 4,000 (+bp*)
Opening Bid: £833
Comprising an excessively large and rare specimen of Aspidoceras Logispinum, displaying superb lateral spines or tubercles; developed from the grey lias matrix. 5.5 kg, 27 cm
From North Yorkshire, UK.
