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LOT 2364
Polished Amethyst Crystal Geode Display with Calcite
CIRCA 140-120 MILLION YEARS B.P.
10 5/8 x 7 7/8 x 4 in. (5.68 kg, 27 x 20 x 10 cm).
The outer layer of green celadonite beautifully polished, the interior with dark purple prismatic amethyst crystals, and at the top, an aggregate of white rhombohedral calcite crystals; mounted on a custom-made display stand.
ProvenanceFrom Artigas, Uruguay.
Property of a London lady.
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AUCTIONS:
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LOT 2364
Polished Amethyst Crystal Geode Display with Calcite
Estimate £1,000 - 1,400€1,160 - 1,620 (for guidance only)$1,350 - 1,890 (for guidance only)
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Polished Fossil Goniatite Specimen Collection
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £26
Comprising three polished specimens showing the internal structure. 360 grams total, 60-91 mm
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. -
Mosasaur 'Marine Dinosaur' Fossil Jaw Fragment
Cretaceous Period, circa 145-65 million years B.P.Sold for (Inc. bp): £780
Large fragment of a jaw with four teeth. 132 grams, 14.7 cm
From a Cambridgeshire, UK, collection.
The Mosasaur is an extinct, large marine reptile dinosaur with an elongated body, long snout and paddle-like limbs. Found worldwide, they competed with other well-known sea predators of the Late Cretaceous, such as plesiosaurs and ichthyosaurs, for food, existing primarily on a diet of ammonoids, cuttlefish and fish. -
Polished Fossil Coral Head
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £91
Rounded specimens showing the internal structure of coral. 216 grams, 78 mm
From a Cambridgeshire, UK, collection.
