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.JPG_900x900.jpg "Natural History - Eucrite-Melt Breccia NWA 11576 Meteorite Slice")
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LOT 2816
Natural History - Eucrite-Melt Breccia NWA 11576 Meteorite Slice
FOUND 2017 A.D.
1 1/2 in. (3 7/8 x 3 in.) (20 grams, 38 mm (76.3 grams total, 99 x 75 mm including case)).
A rare eucrite meteorite slice recorded as: Northwest Africa 11576; displayed in a Swiss membrane box, inked inscription ' NWA 11576' to one edge. [No Reserve]
ProvenanceFrom North West Africa (Mali).
Ex SV-Meteorites, Prague.
From a Leicestershire, UK, collection.
Accompanied by an original identification card.
Eucrites are achondritic stony meteorites thought to have originated from the surface of the giant asteroid (or minor planet) 4 Vesta. Vesta is the second largest body in the asteroid belt, with a mean diameter of 525 kilometres. Like Earth, it has the differentiated layers of crust, mantle, and core common to rocky planets: this may mean that 4 Vesta is the remnant of a larger destroyed planet.
CONDITIONTimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
AUCTIONS:
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LOT 2816
Natural History - Eucrite-Melt Breccia NWA 11576 Meteorite Slice
Sold for (Inc. bp): £98
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Natural History - Large Brown Obsidian Volcanic Glass Specimen Group [34]
Sold for (Inc. bp): £13
Comprising variously sized, brown to dark brown coloured chunks. 1.43 kg total, 38-53 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
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. -
Natural History - Historic 'Tsumeb, South West Africa' Dioptase on Calcite Crystal Specimen
Sold for (Inc. bp): £39
Displaying emerald-green dioptase crystals on a matrix of rhombohedral calcite with some hematite present, collection number 569, with an old Gregory, Bottley & Lloyd label. 76 grams, 50 mm
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.
