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LOT 2463
Natural History - Cut and Polished Amethyst Crystal Geode Pair
4 - 4 1/4 in. (1.07 kg total, 10.2-10.6 cm).
Spherical geode cut in half to expose the internal cavity filled with dark purple prismatic amethyst crystals and large quartz crystals with goethite(?). [2, No Reserve]
ProvenanceFrom Brazil.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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LOT 2463
Natural History - Cut and Polished Amethyst Crystal Geode Pair
Sold for (Inc. bp): £39
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Natural History - Fossil Mosasaur 'Marine Dinosaur' Tooth with Root
Cretaceous Period, circa 145-65 million years B.P.Sold for (Inc. bp): £46
Comprising of Prognathodon sp. tooth with root on a sandstone matrix. 168 grams, 10 cm
From in the phosphate mine region, Khouribga, Morocco, North Africa. From a Cambridgeshire, UK, collection.
The Mosasaur is an extinct, large marine reptile dinosaur with a snake-like 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. -
![Natural History - Boxed Cut and Polished Chiastolite Mineral Specimen Group [7]](https://timelineauctions.com/upload/images/items/small/211322-s.jpg)
Natural History - Boxed Cut and Polished Chiastolite Mineral Specimen Group [7]
Sold for (Inc. bp): £20
Comprising seven specimens with black inclusions of graphite; in labelled specimen trays. 140 grams total, 21-31 mm
From China. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Fossil 'Diosaurus' Crocodile Skull and Vertebrae
Paleocene Epoch, 66-56 million years B.P.Sold for (Inc. bp): £442
Displaying the left side of the skull and jaws with teeth, with a number of vertebrae to the side, set on a sandstone matrix; possibly Argochampsa krebsi. 7.15 kg, 51 cm
From a Cambridgeshire, UK, collection.
