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LOT 2716
Two Fossil Sawfish Rostral Spines
CRETACEOUS PERIOD, CIRCA 100-66 MILLION YEARS B.P.
2 1/8 in. (16.4 grams total, 53 mm).
Comprising two Onchopristus numidus sawfish rostral teeth. [2, No Reserve]
ProvenanceFrom Whitby, Yorkshire, UK.
From a Cambridgeshire, UK, collection.
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AUCTIONS:
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Large Cut and Polished Agate Geode Slice Group
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Comprising: a circular slice with light grey to cream banding with colourless quartz crystals; an irregular slice with brown banding and pale purple and colourless amethyst and quartz crystals; an irregular slice with dark grey to light grey banding. 930 grams total, 17-29 cm
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Historic Roman 'Spartan Basalt' Cut and Polished Green Porphyry Sheet Group
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Cut and polished sections, mined in Greece, cut and polished on both sides, probably recycled material mined in ancient Roman times. 221 grams total, 11.9-14.5 cm
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.