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LOT 1845
Natural History - Australian Agate Creek 'Thunder Egg' Cut Half Group [2]
3 3/8 - 4 in. (650 grams total, 8.7-10 cm).
From two different nodules, each with a polished face showing the internal structure. [2, No Reserve]
ProvenanceFrom Australia.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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LOT 1845
Natural History - Australian Agate Creek 'Thunder Egg' Cut Half Group [2]
Sold for (Inc. bp): £13
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Natural History - Fossil Sporadoceras Goniatite Group
Devonian Period, circa 385-359 million years B.P.Sold for (Inc. bp): £52
Comprising two freestanding Sporadoceras sp., polished through the shell to reveal the calcite preserved inside and show the dividing gas chambers known as suture patterns where the chambers meet the surface giving a zig-zag pattern. 433 grams total, 83-88 mm
From the Atlas Mountains, Morocco. Acquired 1950s-1960s. From an old Bristol, UK, palaeontological collection. -
Natural History - Historic Magnetite Crystal Formation
Sold for (Inc. bp): £20
Comprising a cluster of prismatic crystals. 103 grams, 67 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. -
Natural History - Historic Sphalerite Crystal Formation
Sold for (Inc. bp): £7
Comprising black euhedral crystals on a contrasting matrix. 148 grams, 70 mm
From Nenthead, Cumberland, UK. 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.
