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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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Large Group of One Hundred [100] Rock Crystal Quartz Specimens
Sold for (Inc. bp): £36
Comprising mainly twinned and intergrown prismatic crystals. 1.27 kg total, 28-42 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
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Group of Twenty-Seven [27] Cut and Polished Agate Geode Specimens
Sold for (Inc. bp): £20
Boxed group of agate geode halves, most showing attractive banding and crystal-lined interiors, one an unopened geode with a polished face. 2.48 kg total, 2.8-10.8 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Fossil Euomphaloceras Ammonite
Late Cretaceous Period, circa 100-66 million years B.P.Sold for (Inc. bp): £46
Euomphaloceras cunningtoni with prominent protrusions on all outer ribs, old inked collector's notes '209' and 'Euomphaloceras Cunningtoni ?'. 830 grams, 13 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.
