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LOT 2142
Natural History - Cut and Polished Brazil Agate Crystal Geode Half Collection [3]
4 - 4 1/8 in. (1.62 kg total, 10-10.4 cm).
Comprising: one with brown banding and the internal cavity with pyrite and quartz crystals; one with pink, white and blue banding, the internal cavity with quartz and pyrite crystals; one with dark brown and grey banding, the internal cavity with a smooth layer of white agate. [3, No Reserve]
ProvenanceFrom Brazil.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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LOT 2142
Natural History - Cut and Polished Brazil Agate Crystal Geode Half Collection [3]
Sold for (Inc. bp): £14
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Natural History - Mocha Stone (Dendritic Limestone) Tile Group [3]
Sold for (Inc. bp): £26
Superb examples exhibiting finely formed dendrites of manganese oxide. 342 grams total, 9.6-13 cm
From India. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Fossil Speculator Trilobite
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £39
Phacops speculator specimen on a matrix. 113 grams, 68 mm
From the Atlas Mountains, Hamar Laghdad Formation, Pragian, (Alnif), Morocco. From an old Oxfordshire, UK, fossil and mineral collection. -
Natural History - Large Fly in Baltic Amber
Oligocene Period, circa 45 million years B.P.Sold for (Inc. bp): £208
Polished to highlight the Diptera inclusion. 4.54 grams, 39 mm
From Primorskoje mine, Yantarnyi, Kaliningrad. Property of an Essex gentleman. Accompanied by an illustrated identification card.