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LOT 2717
Historic Roman 'Spartan Basalt' Cut and Polished Green Porphyry Sheet Group
4 3/4 - 5 3/4 in. (221 grams total, 11.9-14.5 cm).
Cut and polished sections, mined in Greece, cut and polished on both sides, probably recycled material mined in ancient Roman times. [2, No Reserve]
ProvenanceEx Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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.
CONDITIONTimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
AUCTIONS:
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LOT 2717
Historic Roman 'Spartan Basalt' Cut and Polished Green Porphyry Sheet Group
Sold for (Inc. bp): £143
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Large Madagascan Natural Unpolished Fossil Tree Trunk Slice
Triassic Period, 251-199 million years B.P.Sold for (Inc. bp): £52
A thick slice of agatised wood showing dark brown and reddish brown colours, with some bark detailing on the outside. 2.36 kg, 30.5 cm
From Madagascar. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Mosasaur 'Marine Dinosaur' Fossil Tooth on Composite Rock
Cretaceous Period, circa 145-65 million years B.P.Sold for (Inc. bp): £33
The tooth showing dark brown enamel, set in a sandstone matrix with a composite root for display. 567 grams, 15 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. -
Rose Quartz Mineral Chip Group
Sold for (Inc. bp): £7
A large quantity of pink-coloured chips in various sizes. 1 kg total, 1-33 mm
From Madagascar. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.