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LOT 2510
Large Historic Roman 'Spartan Basalt' Cut & Polished Green Porphyry Sheet
8 1/4 in. (224 grams, 20.9 cm).
A large cut and polished 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), 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 2510
Large Historic Roman 'Spartan Basalt' Cut & Polished Green Porphyry Sheet
Sold for (Inc. bp): £312
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Historic British Mineral Specimen Collection
Sold for (Inc. bp): £20
Comprising: volcanic ash from Borrowdale, Cumberland; hornblende from Sutherland; granite-aplite from Devon; and luxullianite; three with old labels. 2 kg total, 10.3-11.4 cm
Found at various sites in the UK. Ex Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
British Woolly Mammoth Fossil Tusk Section
Pleistocene Period, circa 40,000 years B.P.Sold for (Inc. bp): £33
Mammuthus primigenius tusk section. 112 grams, 10.8 cm
From the North Sea, UK. Ian Wilkinson collection, Nottinghamshire, UK, formed since 1985. -
Cut Slices of Green Malachite [6]
Sold for (Inc. bp): £20
Displaying attractive dark coloured banding. 378 grams total, 54-90 mm
From Congo, Central Africa. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.