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LOT 0435
Amethyst Crystal Geode with Calcite Rosettes
CRETACEOUS PERIOD, CIRCA 120-140 MILLION YEARS B.P.
9 x 9 1/2 x 4 in. (6.9 kg, 23 x 24 x 10 cm).
Beautifully prepared section with polished edges and two natural 'windows', a thick blanket of prismatic amethyst crystal lining the interior, two calcite rosettes at the centre and aggregates of darker crystals.
ProvenanceFrom Artigas, Uruguay.
Property of a London lady.
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AUCTIONS:
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Mosasaur 'Marine Dinosaur' Tooth on Composite Matrix
Cretaceous Period, circa 145-66 million years B.P.Sold for (Inc. bp): £7
A Mosasaur prognathodon tooth with some root set in a composite sandstone matrix. 524 grams, 13.4 cm
From a Cambridgeshire, UK, collection. -
Mosasaur 'Marine Dinosaur' Fossil Jaw Fragment with Teeth
Cretaceous Period, circa 145-65 million years B.P.Sold for (Inc. bp): £195
A composite jaw fragment set with five teeth. 254 grams, 16 cm
From Morocco. 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. -
Fossil Knightia Fish Pair
Eocene Period, circa 58-36 million years B.P.Sold for (Inc. bp): £46
Comprising two rectangular matrices, each with a Knightia alta specimen. 170 grams total, 82-90 mm
From Wyoming, USA. From a Lincolnshire, UK, collection.
