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LOT 2781
Cut and Polished Septarian Nodule Slice
5 1/8 in. (232 grams, 13 cm).
Displaying the internal structure filled with yellow and brown aragonite crystals. [No Reserve]
ProvenanceFrom Utah, USA.
Acquired from Mr Parkinson, Southport, UK, 16 October 2001.
From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent.
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AUCTIONS:
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Polished Tourmaline Specimens
Sold for (Inc. bp): £13
A quantity of irregular, green and black polished tourmaline stones. 104 grams total, 5-10 mm
From the stock of Gregory, Bottley & Lloyd (1981-2014); formerly Gregory, Bottley & Co. (1932-1981) and previously J.R. Gregory & Co. (1898-1932). Property of a Californian, USA, collector. -
Large Cut and Polished Agate Geode End Group [3]
Sold for (Inc. bp): £16
Each freestanding and displaying attractive banding to the polished face. 1.28 kg total, 8.8-11.5 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Orange Fossil Ammonite Display
Middle Jurassic Period, Aalenian stage, 174.1-170.3 million years B.P.Sold for (Inc. bp): £1,170
A large freestanding display containing polished specimens: a belemnite, scallops and Lytoceras dilucidum, Leioceras and other ammonites in various sizes, the largest 32 cm in diameter. 41.9 kg, 60 cm
with Science & Natural History, South Kensington, 27 April 2017, no.13.