NATURE'S VAULT - NWA 4590 Angrite "Tamassint" Meteorite

NWA 4590 Angrite "Tamassint" Meteorite

NWA 4590 "Tamassint" is a very fresh and beautiful plutonic Angrite with a shiny, black fusion crust. It was discovered in the Tamassint oasis region of Northwest Africa in June 2006. It represents a new type of angrite lithology, unlike any of the other coarse grained metamorphic examples or the fine grained "basaltic" to quench-textured examples known previously. This specimen exhibits unique features that have important implications for the size, cooling history and tectonics of the angrite parent body. Angrites are believed to have come from a planet-sized body. The matrix is a brilliant display of colors, best viewed under magnification. The Total Known Weight (TKW) is a mere 212.8 grams in several fragments from one stone.

NWA 4590 "Tamassint" is featured in the November 2008 issue of "Astronomy" Magazine, along with angrites, NWA 2999 and NWA 4801.

Meteoritical Bulletin entry for NWA 4590:
Click here for the Official classification of NWA 4590


0.578g Fragment
7mm x 6mm x 6mm
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0.326g Fragment
8mm x 5mm x 5mm
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0.156g Fragment
6mm x 5mm x 4mm
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0.738g Fragment
14mm x 6mm x 5mm
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0.418g Fragment
7mm x 4mm x 4mm
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0.418g Fragment
9mm x 5mm x 5mm
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0.402g Fragment
11mm x 5mm x 5mm
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0.374g Fragment
8mm x 5mm x 5mm
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0.356g Fragment
7mm x 6mm x 5mm
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0.334g Fragment
7mm x 6mm x 5mm
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0.332g Fragment
8mm x 6mm x 5mm
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0.280g Fragment
9mm x 6mm x 5mm
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0.236g Fragment
8mm x 4mm x 3mm
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0.152g Fragment
6mm x 5mm x 4mm
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0.130g Fragment
5mm x 4mm x 4mm
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0.114g Fragment
6mm x 4mm x 3mm
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