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| Northwest Africa 5693 | |||||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 5693 This is an OFFICIAL meteorite name. Abbreviation: NWA 5693 Observed fall: No Year found: 2007 Country: (Northwest Africa) Mass:  70.7 g | ||||||||||||||||||||||||||
| Classification history: |
This is 1 of 81 approved meteorites classified as Pallasite. [show all] Search for other: Metal-rich meteorites, Pallasites | ||||||||||||||||||||||||||
| Comments: | Approved 31 Aug 2018 | ||||||||||||||||||||||||||
| Writeup |
Writeup from MB 107:
Northwest Africa 5693 (NWA 5693) (Northwest Africa) Purchased: 2007 Classification: Pallasite History: The meteorite was purchased from a local meteorite dealer in Erfoud, Morocco. Physical characteristics: Brownish, strongly altered individual lacking any fusion crust. Petrography: The meteorite is composed of large up to 1 cm sized olivine crystals set into a matrix of iron oxides or hydroxides. Olivine is often crosscut by veins filled with brownish/reddish alteration products. No primary Fe-Ni metal was detected Geochemistry: Olivine: Fa13.1±0.1 (Fa12.9-13.4, FeO/MnO=32-46, n=19) Classification: Pallasite | ||||||||||||||||||||||||||
| Data from: MB107 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. 107, MAPS 55, 460-462
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| Photos: |
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| Geography: |
Statistics: This is 1 of 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names) | ||||||||||||||||||||||||||