Exqusite NWA 4711 specimen with brilliant etch pattern! Northwest Africa 4711 (NWA 4711). This has to be one of our favorite Saharan Irons!
Write up from Meteoritical Bulletin:
Classification: Iron meteorite (IAB-sHL)
Petrography: Relatively fresh looking with pronounced octahedrite structure; kamacite bandwidth of 1.2 ± 0.2 mm places it near the Om-Og boundary. Bands irregularly swollen but no interior inclusions were recognized. Smaller kamacites densely decorated with Neumann lines. Larger kamacites show granulation. Schreibersite and FeS not identified.
Geochemistry: Co (mg/g) 5.26, Ni (mg/g) 107.3, Ga (µg/g) 21.3, Ge (µg/g) <50, As (µg/g) 20.4, Ir (µg/g) 0.429, Au (µg/g) 2.34.
Submitter: J. T. Wasson, UCLA.
Stunning, 374g NWA 4711 end-cut! Price: Only SOLD!
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