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LOT 0449
Natural History - Large Historic Roman 'Spartan Basalt' Cut & Polished Green Porphyry Sheet
12 5/8 in. (1.01 kg, 32 cm).
A very large lacquered cut section, mined in Greece, cut and polished on one side, probably recycled material mined in ancient Roman times. [No Reserve]
ProvenanceFrom Greece.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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LOT 0449
Natural History - Large Historic Roman 'Spartan Basalt' Cut & Polished Green Porphyry Sheet
Sold for (Inc. bp): £845
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Natural History - Large Size Cut and Polished Malawi Agate Crystal Geode Pair
Sold for (Inc. bp): £20
Comprising a boulder cut in two halves exposing the internal red and orange banding and a cavity of quartz crystals. 953 grams total, 10.9-11 cm
From Malawi, Africa. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Fossil Mosasaur Teeth and Fish Bone Group
Cretaceous Period, circa 145-65 million years B.P.Sold for (Inc. bp): £13
Comprising various fish bone fragments including teeth from Mosasaur prognathodon sp.; on a sandstone matrix. 496 grams total, 82-96 mm
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 - Cut and Polished Fossil Ammonite
Middle Cretaceous Period, circa 150 million years B.P.Sold for (Inc. bp): £39
Cleoniceras sp. displaying the distinctive pattern of the cross-section chambers. 307 grams total, 11 cm
From Madagascar. From a Lincolnshire, UK, collection.
