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LOT 2183
Natural History - Polished Douvilleiceras Fossil Ammonite Group
MIDDLE CRETACEOUS PERIOD, CIRCA 150 MILLION YEARS B.P.
1 5/8 - 2 in. (160 grams total, 42-52 mm).
Comprising three Douvilleiceras sp. specimens (sometimes known as a Goat Horn), polished to reveal rich calcites and suture patterns. [3, No Reserve]
ProvenanceFrom the North-East Coast of Madagascar in the jungles of Mahajanga.
Acquired 1950s-1960s.
From an old Bristol, UK, palaeontological collection.
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AUCTIONS:
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LOT 2183
Natural History - Polished Douvilleiceras Fossil Ammonite Group
Sold for (Inc. bp): £33
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Natural History - Historic Cassiterite Ore Collection
Sold for (Inc. bp): £33
Comprising five specimens, one with radially fibrous botryoidal crusts. 1.68 kg total, 44-94 mm
Collected in person from various parts of the world mainly between 1957-1966. From the private mineral collection of Stephen Atkinson, Harpenden, UK. Accompanied by a copy of a letter from the vendor giving details of him collecting these minerals throughout his life. -
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Natural History - Two Bags of Cut and Polished Agate Geode Slices [100]
Sold for (Inc. bp): £52
With dark green and white banding. 706 grams total, 37-66 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Historic Micaceous Haematite Mineral Specimen
Sold for (Inc. bp): £1
The large nugget with metallic lustre; supplied in a display box. 235 grams total, 58 mm
From Great Rock mine, Devon, UK. Collected in person in 1964. From the private mineral collection of Stephen Atkinson, Harpenden, UK. Accompanied by a copy of a letter from the vendor giving details of him collecting these minerals throughout his life.
The mineral was an important ingredient in the rust-resistant paint used on Royal Navy ships and bridges. Shiny ore has also been used in glaze for pottery, decorative bricks and tiles giving it a sparkly finish.
