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LOT 2788
Polished Fossil Orthoceras Coaster Set
DEVONIAN PERIOD, CIRCA 400 MILLION YEARS B.P.
4 1/2 in. (1.34 kg total, 11.6 cm wide).
Comprising six circular coasters and a stand carved from fossiliferous stone containing multiple Orthoceras sp. specimens. [No Reserve]
ProvenanceFrom Atlas Mountains, Morocco, North Africa.
From a Cambridgeshire, UK, collection.
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AUCTIONS:
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Polished Fossil Orthoceras Column
Devonian Period, circa 400 million years B.P.Sold for (Inc. bp): £845
Comprising variously sized polished Orthoceras sp. specimens on a textured freestanding matrix 1.48 kg, 24.2 cm
From Atlas Mountains, Morocco, North Africa. From a Cambridgeshire, UK, collection. -
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Cut and Polished Agate Geode Slice Collection [9]
Sold for (Inc. bp): £26
Comprising nine polished slices displaying mainly brown, grey and white banding, one with quartz crystal formation to the centre. 1 kg total, 11.5-13.8 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Meteoritic Tektite Specimen
Sold for (Inc. bp): £33
A cigar-shaped specimen with dimpled surface. 12.3 grams, 68 mm
From South East Asia. Acquired from Organica Gems. 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.
Tektites are lumps of black or dark grey natural glass produced from melted crustal rocks that are caused by large hypervelocity meteorite impacts on sediments.
