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Northwest Africa 6695
Basic information Name: Northwest Africa 6695
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6695
Observed fall: No
Year found: 2011
Country: Morocco
Mass:help 538 g
Classification
  history:
Meteoritical Bulletin:  MB 99  (2011)  Howardite
Recommended:  Howardite    [explanation]

This is 1 of 372 approved meteorites classified as Howardite.   [show all]
Search for other: Achondrites, HED achondrites, and Howardites
Comments: Approved 28 Apr 2011
Writeuphelp
Writeup from MB 99:

Northwest Africa 6695 (NWA 6695)

Morocco

Found: January 2011

Classification: HED achondrite (Howardite)

Petrography: Wide variety of sizes, shapes and textures among the many clasts. Low-Ca pyroxenes have average FeO/MnO = 29 (25 analyses). Plagioclase, An86-95.6 (n = 8). Many of the pyroxenes are diogenitic, with Wo in the range 2.0-2.7 mol% and Mg ranging from 65 to 77 mol%. Other, eucritic low-Ca pyroxenes cluster near Wo2 and Mg = 36 mol%. High-Ca pyroxene compositions scatter from En44Wo44 to En29Wo42.

Classification: Achondrite (howardite polymict breccia).

Data from:
  MB99
  Table 0
  Line 0:
Origin or pseudonym:Ouijda
Place of purchase:Tucson
Date:January 2011
Mass (g):538
Pieces:24
Class:Howardite
Shock stage:S4
Weathering grade:W1
Ferrosilite (mol%):23-63
Wollastonite (mol%):2
Classifier:Paul Warren
Type spec mass (g):36.2
Type spec location:UCLA
Main mass:Edwin Thompson
Comments:Submitted by Warren
Institutions
   and collections
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
Thompson: Edwin Thompson, 5150 Dawn St., Lake Oswego, OR 97035, United States (private address)
Catalogs:
References: Published in Meteoritical Bulletin, No. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Jaeyong Lee   
John Lutzon   
Meteor-Center   
METEORITES AUSTRALIA   
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1390 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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