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![Cut and Polished Agate Crystal Geode Half Collection [6]](https://timelineauctions.com/zoom_images/zoomthumb/2/2/227988_900x900.jpg "Cut and Polished Agate Crystal Geode Half Collection [6]")
![Cut and Polished Agate Crystal Geode Half Collection [6]](https://timelineauctions.com/zoom_images/zoommap/2/2/227988_200x200.jpg "Cut and Polished Agate Crystal Geode Half Collection [6]")
![Cut and Polished Agate Crystal Geode Half Collection [6]](https://timelineauctions.com/upload/images/items/227988.jpg "Cut and Polished Agate Crystal Geode Half Collection [6]")
LOT 2270
Cut and Polished Agate Crystal Geode Half Collection [6]
3 - 4 1/4 in. (2.36 kg total, 7.5-11 cm).
Comprising six geode halves with exposed internal cavity, three displaying amethyst crystals, the others quartz and calcite crystals. [6, 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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LOT 2270
Cut and Polished Agate Crystal Geode Half Collection [6]
Sold for (Inc. bp): £59
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Large Polished Amber Specimen with Insects and Plant Inclusions
Oligocene Period, circa 45 million years B.P.Sold for (Inc. bp): £169
Large polished section with numerous inclusions and small internal areas of iridescence. 138 grams, 14.6 cm
From the private collection of a London gentleman, from his grandfather's collection formed before the early 1970s. -
Fossil Plesiosaur Vertebrae Plate
Jurassic Period, circa 200-145 million years B.P.Sold for (Inc. bp): £208
Comprising four vertebrae with remains of processes, on a sandstone matrix wrapped in a plaster field jacket. 5.32 kg, 36.5 cm
From a Cambridgeshire, UK, collection. -
Composite Mosasaur 'Marine Dinosaur' Tooth Matrix
Cretaceous Period, 145-65 million years B.P.Sold for (Inc. bp): £78
Comprising six Mosasaur prognathodon teeth set on a composite matrix. 1.55 kg, 20.5 cm
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.
