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LOT 2541
Polished Fossil Goniatite Ammonite
DEVONIAN PERIOD, CIRCA 417-354 MILLION YEARS B.P.
4 3/4 in. (515 grams, 12.2 cm).
Goniatite sp. showing some internal walls. [No Reserve]
ProvenanceFrom Morocco, North Africa.
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.
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AUCTIONS:
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Large Pyrite Crystal Display Group [6]
Estimate: £30 - 40 (+bp*)
Opening Bid: £3
Comprising large irregular chunks. 1.32 kg total, 59-77 mm
From Peru. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Large Historic Roman 'Spartan Basalt' Cut & Polished Green Porphyry Sheet
Sold for (Inc. bp): £312
A large cut and polished section, mined in Greece, cut and polished on one side, probably recycled material mined in ancient Roman times. 224 grams, 20.9 cm
From Greece. Ex 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. -
Large Cut and Polished Stromatolite Display Slice
Sold for (Inc. bp): £46
A roughly rectangular section with multiple layers, lightly waxed surfaces. 547 grams, 24.7 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
