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LOT 2124
Natural History - Large Cut Agate Specimen Group [3]
4 1/8 - 7 1/2 in. (2.33 kg total, 10.6-19 cm).
Comprising one larger triangular section, and two smaller sections with darker banding. [3, No Reserve]
ProvenanceEx Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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Natural History - Fossil Mosasaur and Otodus Shark Tooth on Matrix
Eocene Period, circa 56-33 million years B.P.Sold for (Inc. bp): £13
The group comprising an Otodus obliquus tooth and a Prognathodon sp. tooth on individual matrices. 958 grams total, 9.4-11.5 cm
From a Lincolnshire, UK, collection. -
Natural History - Unpolished Cut Amethyst Crystal Geode Slice Pair
Sold for (Inc. bp): £20
Each with two straight edges, cut to expose the inner structure of a geode with layers of amethyst and other crystals. 969 grams total, 26.7-27 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
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.