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| Northwest Africa 6823 | |||||||||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 6823 This is an OFFICIAL meteorite name. Abbreviation: NWA 6823 Observed fall: No Year found: 2010 Country: (Northwest Africa) Mass:  48 g | ||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 605 approved meteorites classified as Ureilite. [show all] Search for other: Achondrites, Ureilites | ||||||||||||||||||||||||||||||
| Comments: | Approved 20 Oct 2019 | ||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 108:
Northwest Africa 6823 (NWA 6823) (Northwest Africa) Purchased: 2010 Classification: Ureilite History: The meteorite was purchased from a local meteorite dealer in Erfoud, Morocco. Physical characteristics: Brownish fragment without fusion crust. Petrography: The meteorite shows a protogranular texture of up to 3 mm sized olivine and pigeonite grains. Olivine displays characteristic reduced rims and the meteorite contains abundant flaky graphite. Geochemistry: reduced rims in olivine: Fa2.3-5.9; olivine contains 0.55±0.03 wt% Cr2O3 and 0.33±0.01 wt% CaO | ||||||||||||||||||||||||||||||
| 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 8495 approved meteorites from (Northwest Africa) (plus 1899 unapproved names) | ||||||||||||||||||||||||||||||