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Northwest Africa 6826 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 6826 This is an OFFICIAL meteorite name. Abbreviation: NWA 6826 Observed fall: No Year found: 2009 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 199 approved meteorites classified as CK5. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 20 Oct 2019 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 108:
Northwest Africa 6826 (NWA 6826) (Northwest Africa) Purchased: 2009 Classification: Carbonaceous chondrite (CK5) History: The meteorite was purchased from a local meteorite dealer in Erfoud, Morocco. Physical characteristics: Greyish rock partly covered with fusion crust. Petrography: The meteorite displays a greyish to slightly greenish interior and is predominantly composed of fine-grained recrystallized matrix mainly consisting of ferrous olivine. Some dispersed chondrules (mean diameter about 0.6 mm) are present. Minor phases include plagioclase, Ca-pyroxene, and troilite. Cr-rich magnetite is abundant; metal is virtually absent. Geochemistry: olivine: Fa32.5±0.3, n=16, FeO/MnO=117±13; low-Ca pyroxene: Fs9.6±0.5Wo46.9±0.5, n=10 | ||||||||||||||||||||||||||||||
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) Ralew: Stefan Ralew, Kunibertstraße 29, 12524 Berlin, Germany; Website (private address) |
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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 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |