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LOT 1992
Natural History - 'Spartan Basalt' Polished Green Porphyry Section
7 1/8 in. (1.22 kg, 18.1 cm).
A large cut section of green porphyry mined in Greece, possibly in ancient Roman times. [No Reserve]
ProvenanceFrom Greece.
Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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.
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AUCTIONS:
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LOT 1992
Natural History - 'Spartan Basalt' Polished Green Porphyry Section
Sold for (Inc. bp): £286
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Natural History - Obsidian Mineral Specimen
Sold for (Inc. bp): £13
An amorphous black obsidian mineral specimen. 156 grams, 71 mm
From Armenia. Private collection, Munster, Germany. -
Natural History - Polished Orthoceras Fossil Tower
Devonian Period, circa 370 million years B.P.Sold for (Inc. bp): £39
A free-standing pillar of seven polished Orthoceras fossils. 3.1 kg, 31 cm high
From the Atlas Mountains, Morocco, North Africa. From an old Bristol paleontological collection. -
Natural History - Fossil Tree Branch Section Group
Sold for (Inc. bp): £26
A group of 50 fossil tree branch sections of varying sizes. 1.01 kg total, 24-46 mm
From Madagascar. Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).