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Northwest Africa 5891 | |||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 5891 This is an OFFICIAL meteorite name. Abbreviation: NWA 5891 Observed fall: No Year found: 2005 Country: (Northwest Africa) Mass: 16.9 g | ||||||||||||||||||||||||||
Classification history: |
This is 1 of 81 approved meteorites classified as Pallasite. [show all] Search for other: Metal-rich meteorites, Pallasites | ||||||||||||||||||||||||||
Comments: | Approved 10 Mar 2020 | ||||||||||||||||||||||||||
Writeup |
Writeup from MB 109:
Northwest Africa 5891 (NWA 5891) (Northwest Africa) Purchased: 2005 Classification: Pallasite History: The meteorite was purchased from a local meteorite dealer in Midelt, Morocco. Physical characteristics: Brownish fragment without fusion crust. Petrography: The meteorite is composed of up to 1 cm sized subrounded and partly fragmented olivine grains surrounded by a matrix of brownish iron oxides which are also present along the olivine grain boundaries and cracks. Contains some Cr-bearing troilite; no pristine FeNi-metal was detected. Geochemistry: olivine: Fa7.5±0.1 (Fa4.4-4.8, FeO/MnO=37±3, n=11) | ||||||||||||||||||||||||||
Data from: MB109 Table 0 Line 0: |
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Institutions and collections |
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011) Kuntz: Fabien Kuntz, France; Website (private address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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Geography: |
Statistics: This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||
Also see: |
This lists the most popular meteorites among people who looked up this meteorite.
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Revision history: |
This lists important revisions made to data for this record.
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