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Northwest Africa 11931
Basic information Name: Northwest Africa 11931
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11931
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 63 g
Classification
  history:
Recommended:  H5    [explanation]

This is 1 of 9655 approved meteorites (plus 16 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 3 Aug 2018
Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2018
Mass (g):63
Pieces:1
Class:H5
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):16.7±0.2 (n=11)
Ferrosilite (mol%):14.6±0.1 (n=16)
Wollastonite (mol%):0.6±0.1 (n=16)
Magnetic suscept.:5.15
Classifier:A. Greshake, MNB
Type spec mass (g):24.4
Type spec location:MNB
Main mass:Hichame Mimaghador
Comments:Brownish individual without fusion crust. plagioclase grain size about 20 µm; submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, in preparation (2018)
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7035 approved meteorites from (Northwest Africa) (plus 2000 unapproved names)

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