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LOT 2073
Natural History - Large Cut and Polished Septarian Egg Half
7 5/8 in. (3.28 kg, 19.5 cm).
The attractive internal structure filled with yellow and brown aragonite crystals. [No Reserve]
ProvenanceEx Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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LOT 2073
Natural History - Large Cut and Polished Septarian Egg Half
Sold for (Inc. bp): £13
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Natural History - Boxed Historic Calcite Specimen
Sold for (Inc. bp): £13
Comprising rhombohedral crystal clusters. 50 grams, 53 mm
Ex Gregory, Bottley & Lloyd (Gregory's). -
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 Copper Sulphate Crystal Specimen
Sold for (Inc. bp): £26
On an irregular matrix covered with brilliant blue deposits. 46 grams total, 63 mm
From Nchanga, Zimbabwe. Collected in person in 1964. 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.
