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Northwest Africa 7172
Basic information Name: Northwest Africa 7172
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7172
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass:help 531 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  H5
Recommended:  H5    [explanation]

This is 1 of 11567 approved meteorites (plus 23 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 14 Feb 2017
Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2011
Mass (g):531
Pieces:1
Class:H5
Shock stage:S1
Weathering grade:W2
Fayalite (mol%):18.0±0.1, n=11
Ferrosilite (mol%):15.9±0.2, n=11
Wollastonite (mol%):0.7±0.2, n=11
Classifier:A. Greshake, MNB
Type spec mass (g):26.3
Type spec location:MNB
Main mass:Marcin Cimala
Comments:plagioclase grain size about 10 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 Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Photos:
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    (Caution, these are of unknown reliability)
Woreczko Jan & Wadi      
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
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Revision
  history:
  This lists important revisions made to data for this record.

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