Stunning new Saharan Iron NWA 4706 specimens with brilliant etch pattern! NWA 4706 is the official name for this gorgeous, nickel-rich octahedrite from the Saharan desert.
Writeup from Meteoritical Bulletin online:
Northwest Africa 4706 (NWA 4706)
Classification: Iron meteorite (IAB-sHL)
Petrography: Fine octahedrite, attractive. There is much fine plessite, 40-50% of the area. Schreibersite is present as small, 0.2 mm wide, 0.3 to 0.5 mm long, grains in the centers of wide kamacites, and is especially abundant at intersections of kamacite bands. No troilite observed. Paired with NWA 4710 and NWA 3200; kamacite bandwidth 0.4±0.1 mm.
Geochemistry: Co (mg/g) 5.49, Ni (mg/g) 107.8, Ga (µg/g) 22.0, Ge (µg/g) 67, As (µg/g) 23.5, Ir (µg/g) 0.194, Au (µg/g) 2.34.
Submitter: J. T. Wasson, UCLA.
NEW! Stunning, Thumbprinted NWA 4706 188g Main Mass! Price: Please enquire!
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