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| Northwest Africa 6840 | |||||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 6840 This is an OFFICIAL meteorite name. Abbreviation: NWA 6840 Observed fall: No Year found: 2010 Country: (Northwest Africa) Mass:  21 g | ||||||||||||||||||||||||||
| Classification history: |
This is 1 of 76 approved meteorites classified as Pallasite. [show all] Search for other: Metal-rich meteorites, Pallasites | ||||||||||||||||||||||||||
| Comments: | Approved 20 Oct 2019 | ||||||||||||||||||||||||||
| Writeup |
Writeup from MB 108:
Northwest Africa 6840 (NWA 6840) (Northwest Africa) Purchased: 2010 Classification: Pallasite History: The meteorite was purchased from a local meteorite dealer in Erfoud, Morocco. Physical characteristics: Dark brownish fragment without fusion crust. Petrography: The meteorite is composed of about 4 mm sized subrounded olivine grains surrounded by a matrix of partly layered brownish iron oxides or hydroxides. No pristine FeNi-metal has been found in the sample studied. | ||||||||||||||||||||||||||
| Data from: MB108 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) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
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| Geography: |
Statistics: This is 1 of 9013 approved meteorites from (Northwest Africa) (plus 1869 unapproved names) | ||||||||||||||||||||||||||