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LOT 2617
Natural History - Diogenite NWA 5480 Meteorite Slice
FOUND 2008 A.D.
1 7/8 in. (3 7/8 x 3 in.) (11.7 grams, 48 mm (58 grams total, 99 x 75 including case)).
A cut slice of scarce achondrite from the diogenite group recorded as: Northwest Africa 5480; displayed in a Swiss membrane box. [No Reserve]
ProvenanceFrom 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.
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AUCTIONS:
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Natural History - Angrite NWA 2999 Meteorite Slice
Found 2004 A.D.Sold for (Inc. bp): £72
An irregular section of angrite meteorite recorded as: Northwest Africa 2999; displayed in a Swiss membrane box and with an inked 'NWA 2999' to one side. 1.73 grams, 20 mm (28.4 grams total, 84 x 59 mm including case)
From the Sahara Desert, North West Africa. Ex Hupé collection, U.S.A. From a Leicestershire, UK, collection.
This specimen fragment formed part of a group of twelve individual dark brown stones totalling 392 grams, each with a thin fusion crust, that were acquired by G. Hupé in August 2004 in Tagounite. -
Natural History - Polished Fossil Goniatite and Orthoceras Stand
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £59
Set on a textured freestanding matrix and polished to reveal the internal gas chambers. 710 grams, 15.5 cm
From the Atlas Mountains of Morocco, North Africa. From a Cambridgeshire, UK, collection. -
Natural History - Amethyst Crystal Gem Tree
Sold for (Inc. bp): £13
On an amethyst geode matrix; the metal branches tipped with polished light-coloured amethyst pebbles. 517 grams, 14 cm high
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).