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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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Group of Eleven [11] Cut Malachite Slices
Sold for (Inc. bp): £13
Comprising eleven cut slices showing contrasting green banding. 845 grams total, 5.5-16.8 cm
From the Democratic Republic of the Congo. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Fossil Iguanadon Dinosaur Vertebra
Early Cretaceous Period, circa 126-122 million years B.P.Sold for (Inc. bp): £20
Caudal vertebra with an elongated body. 880 grams, 94 mm
From Wealden, Bedfordshire, 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.
Iguanadon was a large herbivore with a distinctive thumb-spike and long prehensile fifth fingers that helped with foraging for food. It was the second dinosaur to be formally named based on fossil specimens, and was one of the three genera originally used to define dinosauria. -
Large Fossil Shell Cluster on Matrix
Jurassic Period, circa 200-165 million years B.P.Sold for (Inc. bp): £20
Polygonal mortality display containing a large number of bivalves. 6.85 kg, 35.2 cm
From a Cambridgeshire, UK, collection.