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LOT 0449
Natural History - Large Historic Roman 'Spartan Basalt' Cut & Polished Green Porphyry Sheet
12 5/8 in. (1.01 kg, 32 cm).
A very large lacquered cut section, mined in Greece, cut and polished on one side, probably recycled material mined in ancient Roman times. [No Reserve]
ProvenanceFrom Greece.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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LOT 0449
Natural History - Large Historic Roman 'Spartan Basalt' Cut & Polished Green Porphyry Sheet
Sold for (Inc. bp): £845
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Natural History - Fossil Brittle Star
Ordovician Period, circa 485.4-443.8 million years B.P.Sold for (Inc. bp): £130
Ophiuroidea sp. on an irregular matrix. 434 grams, 13.5 cm
From Chaco Province, Argentina, found 1576. From a Lincolnshire, UK, collection. -
Natural History - Citrine Gem Tree on Amethyst Crystal Geode Section
Sold for (Inc. bp): £13
The irregular geode matrix with lavender coloured amethyst crystals; the metal branches tipped with polished light-coloured citrine pebbles. 727 grams, 18.3 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Boxed Topaz Mineral Specimen Group [10]
Sold for (Inc. bp): £65
Each specimen displaying prismatic crystals on matrix. 94 grams total, 19-28 mm
From Mexico. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).