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LOT 2554
Historic Roman 'Spartan Basalt' Cut Green Porphyry Strip Group
1 3/4 - 6 in. (225 grams total, 4.4-15.1 cm).
Cut and polished sections, mined in Greece, cut and polished on both sides, probably recycled material mined in ancient Roman times. [7, 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 2554
Historic Roman 'Spartan Basalt' Cut Green Porphyry Strip Group
Sold for (Inc. bp): £143
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Fossil Sand Dollar and Ediacaran Primitive Sea Anemone Colony Group
Ediacaran-Miocene Period, circa 600-25 million years B.P.Sold for (Inc. bp): £20
Comprising: a fossil 'sand dollar' on matrix, a rectangular section of Nemiana simplex in a box with an information card, a polished stone 'wand'. 366 grams total, 4.9-12.6 cm
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 Cut and Polished Banded Blue Agate Geode Slice Artefact Base
Sold for (Inc. bp): £20
Thick, oval slice of a geode showing contrasting grey banding with some quartz crystals at the centre. 1.07 kg, 20 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
![Group of Five [5] Cut and Polished Geode Half Specimens](https://timelineauctions.com/upload/images/items/small/255988-s.jpg)
Group of Five [5] Cut and Polished Geode Half Specimens
Sold for (Inc. bp): £20
Comprising five freestanding specimens with polished faces, some with enhanced colouring. 2.35 kg total, 10.7-11.4 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
