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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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Group of Seventeen [17] Boxed Arkansas Quartz Crystal Display Specimens
Sold for (Inc. bp): £20
Boxed group of colourless quartz specimens, in lined and labelled specimen trays. 677 grams total including box, 41-67 mm
From Arkansas, USA. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Fossil Flexicalymene Trilobite Group
Ordovician Period, circa 510-445 million years B.P.Sold for (Inc. bp): £286
A freestanding sandstone matrix with several fossilised trilobites. 3.3 kg, 24 cm
From Morocco, North Africa. From a Cambridgeshire, UK, collection. -
Cut and Polished Amethyst Church
Sold for (Inc. bp): £39
A small ovoid geode section with deep purple amethyst crystals, polished outer face. 185 grams, 57.5 mm
From a Cambridgeshire, UK, collection.