Rare, IAB-sLL Iron Meteorite NWA 4703


Stunning new Saharan Iron NWA 4703 specimen with unusual heat altered etch pattern! NWA 4703 is the Official name for this lovely IAB, octahedrite from the Saharan desert.

Writeup from Meteoritical Bulletin online:
Northwest Africa 4703 (NWA 4703)
(Northwest Africa)
Purchased: 2007
Classification: Iron meteorite (IAB-sLL)
Petrography: Etched surface is curious: some bands mirror-like in their brightness, others dull. Differences depend on crystallographic orientation because dull crosses bright. Abundant Neumann lines. One 3x9 mm FeS inclusion. Silicates and schreibersite not identified.
Geochemistry: Co (mg/g) 4.79, Ni (mg/g) 85.2, Ga (µg/g) 76.9, Ge (µg/g) 269, As (µg/g) 16.6, Ir (µg/g) 2.78, Au (µg/g) 1.82.
Submitter: J. T. Wasson, UCLA.



The following NWA 4703 Main Mass is available for University or Museum Trade or purchase or the advanced collector of rare Iron meteorites


NWA 4703 Iron Meteorite

NWA 4703 Iron Meteorite

NWA Iron Meteorite

 


NEW! Superb, 87g Thumbprinted NWA 4703 Main Mass! Price: Please enquire!





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