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LOT 2539
Natural History - Historic 'Kirgiz, Russia' Stibnite Mineral Specimen
2 5/8 in. (116 grams, 68 mm).
Displaying excellent crystal formations, collection number 434; bought from Gregory, Bottley & Lloyd for £25.00 in the 1980s. [No Reserve]
ProvenanceAcquired on the UK mineral and fossil market, since 1970.
From the historic mineral collection of Richard Valentine Cain, London, UK, thence by descent.
Accompanied by an original historic index file card.
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AUCTIONS:
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LOT 2539
Natural History - Historic 'Kirgiz, Russia' Stibnite Mineral Specimen
Sold for (Inc. bp): £20
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Natural History - Historic 'Sierra Madre, Mexico' Rhyolite Mineral Specimen
Sold for (Inc. bp): £247
Displaying attractive brown banding, probably due to wind-weathering, collection number 363. 315 grams, 10.5 cm high
Acquired on the UK mineral and fossil market, since 1970. From the historic mineral collection of Richard Valentine Cain, London, UK, thence by descent. Accompanied by an original historic index file card. -
Natural History - Polished Fossil Orthoceras Trinket Box
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £13
A rectangular lidded box carved from fossiliferous stone showing multiple Orthoceras sp. specimens. 912 grams, 15 x 9.6 cm
From a Cambridgeshire, UK, collection. -
Natural History - Diogenite NWA 5480 Meteorite Slice
Found 2008 A.D.Sold for (Inc. bp): £52
A cut slice of scarce achondrite from the diogenite group recorded as: Northwest Africa 5480; displayed in a Swiss membrane box. 11.7 grams, 48 mm (58 grams total, 99 x 75 including case)
From the Sahara, N.W. Africa. Ex Hupe collection, U.S.A. From a Leicestershire, UK, collection.
The total known mass of the meteorite found in Mali was 4.91 kg. Mineralogically, the diogenites are primarily composed of magnesium-rich orthopyroxene, with minor amounts of plagioclase and olivine. The pyroxenes are usually coarse-grained, suggesting a cumulate origin for the diogenites in magma chambers within the deeper regions of Vesta's crust. The achondrites of this group are named after a 5th century B.C. Greek philosopher Diogenes of Apollonia, who was the first to suggest that meteorites originate from outer space.
