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| Northwest Africa 6421 | |||||||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 6421 This is an OFFICIAL meteorite name. Abbreviation: NWA 6421 Observed fall: No Year found: 2010 Country: (Northwest Africa) Mass:  88 g | ||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 510 approved meteorites classified as Diogenite. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||||||||
| Comments: | Approved 24 Oct 2011 | ||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 100:
Northwest Africa 6421 (NWA 6421) (Northwest Africa) Purchased: 2010 Sep Classification: HED achondrite (Diogenite) Petrography: Five black fusion crusted stones. Monomict breccia composed mainly of randomly oriented single grains of orthopyroxene (containing chromite inclusions) plus sparse polycrystalline diogenite clasts in a coarse grained matrix of orthopyroxene, chromite, troilite and rare olivine and fresh metal. | ||||||||||||||||||||||||||||
| Data from: MB100 Table 1 Line 1373: |
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| Institutions and collections |
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
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| Photos: |
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| Geography: |
Statistics: This is 1 of 9013 approved meteorites from (Northwest Africa) (plus 1869 unapproved names) | ||||||||||||||||||||||||||||