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LOT 2914
Mounted Amethyst Crystal Display
9 1/4 in. (2.95 kg total, 23.5 cm including stand).
A polished geode section lined with large well-formed prismatic amethyst crystals displaying deep purple colour; mounted on a custom-made wooden display stand.
ProvenanceFrom Artigas, Uruguay.
Property of a London lady.
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AUCTIONS:
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Group of Fossil Sand Shark Teeth
Eocene Period, 56-33 million years B.P.Sold for (Inc. bp): £20
Comprising various sizes of Otodus obliquus teeth. 29 grams total, 16-24.5 mm
From a Cambridgeshire, UK, collection. -
Historic Spartan Basalt Cut and Polished Dark Green Porphyry Slab
Sold for (Inc. bp): £1,170
Cut and polished section, mined in Greece, cut and polished on one side, probably recycled material mined in ancient Roman times; mounted on a custom-made metal display stand. 9.82 kg total, 44 cm including stand
Acquired on the UK art market since the 1990s. From the private collection of a Somerset gentleman.
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. -
Mosasaur 'Marine Dinosaur' Fossil Tooth Group
Cretaceous Period, circa 145-65 million years B.P.Sold for (Inc. bp): £52
Comprising two teeth showing good brown enamel, repaired. 67.7 grams total, 45-59 mm
From Morocco, North Africa. 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.