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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
Estimate £80 - 100€93 - 116 (for guidance only)$108 - 135 (for guidance only)
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Fossil Mosasaur 'Marine Dinosaur' Teeth
Cretaceous Period, circa 145-65 million years B.P.Estimate: £30 - 40 (+bp*)
Bids: 1 | Current Bid: £5
Comprising two thick teeth with dark brown enamel. 77 grams total, 51-65 mm
From a Lincolnshire, UK, collection.
The Mosasaur is an extinct, large marine reptile dinosaur with an elongated body, long snout and paddle-like limbs. Found worldwide, they competed with other well-known sea predators of the Late Cretaceous, such as plesiosaurs and ichthyosaurs, for food, existing primarily on a diet of ammonoids, cuttlefish and fish. -
Polished Orthoceras Fossil Display Plaque
Devonian Period, circa 400 million years B.P.Estimate: £40 - 60 (+bp*)
Opening Bid: £5
An irregular matrix with several polished bullet-shaped Orthoceras specimens. 3.2 kg, 26 cm high
Ex Cambridgeshire, UK, collection. -
50 Fuchsite Mica Specimens
Estimate: £10 - 20 (+bp*)
Opening Bid: £5
A group of 50 green fuchsite mica specimens with pearly lustre. 1.2 kg total, 28-54 mm
Very fine condition.
Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). From the private collection of John Meredith, acquired since the 1990s; thence by descent.
