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LOT 2657
Large Quartz Crystal Geode Slab
7 5/8 in. (596 grams, 19.5 cm).
A teardrop-shaped geode section with quartz crystals with dark inclusions. [No Reserve]
ProvenanceFrom Brazil.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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Massive Fossil Whale Vertebra
Miocene Period, Yorktown Formation, circa 23-5.3 million years B.P.Sold for (Inc. bp): £286
Showing the edges of the neural arch and the base of transverse processes. 2.43 kg, 22 cm wide
From Beaufort County, North Carolina, USA. From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; with collection no.VM3; his collection of antiquities and natural history was formed since 1948; thence by descent. -
Large Historic Roman 'Spartan Basalt' Cut & Polished Green Porphyry Sheet
Sold for (Inc. bp): £312
A large cut and polished section, mined in Greece, cut and polished on one side, probably recycled material mined in ancient Roman times. 224 grams, 20.9 cm
From Greece. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
Also known as Lapis Lacedaemonius and Porfido Verde Antico, a type of green porphyry quarried in Greece. Spartan basalt is a form of andesite or volcanic rock known today only from a single source in the village of Krokees on the Peloponnese in Greece. In addition, ancient sources mention a quarry of Lapis Lacedaemonius in Taygetus. -
Large Cut and Polished Fossil Ammonite Plate
Jurassic Period, circa 199-145 million years B.P.Sold for (Inc. bp): £156
A circular composite plate composed of overlapping Cleoniceras sp. ammonites. 947 grams, 25.5 cm
From Madagascar. From a Lincolnshire, UK, collection.
