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LOT 1838
Natural History - Boxed Amethyst Crystal Geode Section with Calcite
3 in. (110 grams, 78 mm).
Comprising a large prism calcite crystal on purple amethyst crystals. [No Reserve]
ProvenanceFrom Brazil.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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LOT 1838
Natural History - Boxed Amethyst Crystal Geode Section with Calcite
Sold for (Inc. bp): £13
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Natural History - Historic Tsumeb Crystal Formation
Sold for (Inc. bp): £26
Yellow tabular siderite crystals on specular haematite. 134 grams, 79 mm
Collected in person in 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. -
Natural History - Large Fossil Orthoceras 'Rocket' Display
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £85
The extinct nautiloid cephalopod polished to reveal the internal gas chambers and set on a textured freestanding matrix. 15.8 kg, 1.01 m
From a Cambridgeshire, UK, collection. -
Natural History - Fossil Shark Vertebra Group
Upper Palaeocene Period, circa 56 million years B.P.Sold for (Inc. bp): £72
Comprising two Otodus obliquus, Agassiz 1843 (mackerel shark) vertebrae. 302 grams total, 63-77 mm
From Ouled Abdoun Basin Formation (Phosphate beds), Oued Zem, Morocco. From an old Oxfordshire fossil and mineral collection.
