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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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Fossil Dinosaur Foot Print
Triassic Period, circa 220 million years B.P.Sold for (Inc. bp): £338
From a small theropod, showing clearly the three toes and footpad; pencilled note to the reverse. 658 grams, 12.5 cm
From South Wales, UK. From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent. -
Large Deep Purple Amethyst Crystal Geode Section Group [3]
Sold for (Inc. bp): £13
Each with large purple pyramidal crystals. 1.06 kg total, 8-13.6 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Purple Amethyst Crystal Mineral Specimen Group [50]
Sold for (Inc. bp): £26
Comprising variously sized cut geode sections with purple amethyst crystals. 1.42 kg total, 30-52 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.