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Northwest Africa 6911
Basic information Name: Northwest Africa 6911
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6911
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass:help 13.6 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 446 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 6911 (NWA 6911)

Northwest Africa

Purchased: Feb 2011

Classification: HED achondrite (Diogenite)

Petrography: Very fresh aggregate of polygonal orthopyroxene grains (FeO/MnO = 28-31) with curvilinear boundaries plus accessory chromite and minor slightly stained metal.

Data from:
  MB100
  Table 1
  Line 1531:
Place of purchase:Tucson
Date:P Feb 2011
Mass (g):13.58
Pieces:1
Class:Diogenite
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):22.3-22.4
Wollastonite (mol%):1.1
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):2.8
Type spec location:UWS
Main mass:MMartin
Comments:MM11-1; 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)
MMartin: P.O. Box 164, Kaaawa, HI 96730, United States; Website (private address; updated 14 Jul 2013)
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   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7547 approved meteorites from (Northwest Africa) (plus 1970 unapproved names)

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