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| Northwest Africa 1235 | |||||||||||||||||
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| Basic information | Name: Northwest Africa 1235 This is an OFFICIAL meteorite name. Abbreviation: NWA 1235 Observed fall: No Year found: 2000 Country: (Northwest Africa) Mass:  80 g | ||||||||||||||||
| Classification history: |
This is 1 of 6 approved meteorites classified as Aubrite-an. [show all] Search for other: Achondrites, Aubrites, Enstatite achondrites, and Enstatite-rich meteorites | ||||||||||||||||
| Writeup |
Writeup from MB 86:
Northwest Africa 1235 Northwest Africa Found 2000 Enstatite achondrite (possibly anomalous aubrite) The 80 g individual has a dark brown fusion crust. Mineralogy and description (C. A. Lorenz, Vernad): medium-grained subophitic rock consisting of Fe-poor enstatite, En99Wo1 (76 vol%), feldspar An74.8–95.6Or0.6–6.8 (8 vol%), minor silica (1 vol%) and 15 vol% of Si-bearing Fe metal, schreibersite, Cr-bearing troilite and rust. Accessory minerals are oldhamite, ferromagnesian alabandite, sphalerite, Fe-Ni metal, taenite, carbon phase, Fe-Ni-Cr alloy, Sb- and Ag-sulfides. The meteorite bears some similarities with Itqiy. Shock stage is S2/3, weathering stage is W3/4. Specimens: type specimen, 16.6 g and two polished thin sections, Vernad; main mass is with the anonymous finder. | ||||||||||||||||
| Data from: MB86 Table 6 Line 150: |
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| Institutions and collections |
Vernad: Vernadsky Institute of Geochemistry and Analytical Chemistry, Russia (institutional address; updated 21 Feb 2016) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 86, MAPS 37, A157-A184 (2002)
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| Photos: |
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| Geography: |
Statistics: This is 1 of 9116 approved meteorites from (Northwest Africa) (plus 1873 unapproved names) | ||||||||||||||||