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Northwest Africa 12398 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 12398 This is an OFFICIAL meteorite name. Abbreviation: NWA 12398 Observed fall: No Year found: 2018 Country: (Northwest Africa) Mass: 230 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 520 approved meteorites classified as Diogenite. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 9 Feb 2019 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 108:
Northwest Africa 12398 (NWA 12398) (Northwest Africa) Purchased: 2018 Classification: HED achondrite (Diogenite) History: The meteorite was purchased from a local meteorite dealer in Morocco. Physical characteristics: Seven greyish fragments partly covered with fusion crust. Petrography: The meteorite is a monomict breccia predominantly composed of blocky up to 1.3 mm sized orthoproxenes grains and fine-grained cataclastic regions. Minor phases include plagioclase, chromite, FeS, and metallic iron. Geochemistry: Low-Ca pyroxene: Fs24.8±0.2Wo3.5±0.2 (Fs24.4-25.2Wo3.1-3.7, n=13, FeO/MnO=28-33); calcic plagioclase: An87.7±1.5 (An85.8-89.2, n=9) | ||||||||||||||||||||||||||||
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 9589 approved meteorites from (Northwest Africa) (plus 1869 unapproved names) | ||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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