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Northwest Africa 6927
Basic information Name: Northwest Africa 6927
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6927
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass:help 114 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 522 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 29 Nov 2011
Writeuphelp
Writeup from MB 100:

Northwest Africa 6927 (NWA 6927)

Northwest Africa

Purchased: Mar 2011

Classification: HED achondrite (Diogenite)

Petrography: Very fresh specimen. Partly crushed orthopyroxene (FeO/MnO=30-33) is dominant, with accessory olivine (FeO/MnO=43), troilite and chromite.

Data from:
  MB100
  Table 1
  Line 1543:
Place of purchase:Morocco
Date:P Mar 2011
Mass (g):114
Pieces:5
Class:Diogenite
Shock stage:moderate
Weathering grade:low
Fayalite (mol%):31.0
Ferrosilite (mol%):24.9-25.1
Wollastonite (mol%):3.2-3.6
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20
Type spec location:UWS
Main mass:G. Fujihara
Comments:GF11-6; submitted by A. Irving
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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Andreas Grünemeyer   
bphd   
Gerald Armstrong   
Gregor H.   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)
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Revision
  history:
  This lists important revisions made to data for this record.

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