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Northwest Africa 6349
Basic information Name: Northwest Africa 6349
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6349
Observed fall: No
Year found: 2010
Country: (Northwest Africa)
Mass:help 730 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  Brachinite
Recommended:  Brachinite    [explanation]

This is 1 of 46 approved meteorites classified as Brachinite.   [show all]
Search for other: Brachinites, Primitive achondrites
Comments: Approved 31 Jan 2012
Writeuphelp
Writeup from MB 100:

Northwest Africa 6349 (NWA 6349)

(Northwest Africa)

Purchased: Aug 2010

Classification: Primitive achondrite (Brachinite)

History: Purchased in 2010 August by Stefan Ralew from a Moroccan dealer in Erfoud.

Physical characteristics: A single 730 g, dark-brown stone.

Petrography: Protogranular texture. Composed predominantly of olivine with accessory clinopyroxene, chromite, altered kamacite, iron sulfide (probably pyrrhotite) and minor taenite (associated with Ni-bearing pyrrhotite). Orthopyroxene and plagioclase are absent. Tiny inclusions of orthopyroxene+pyrrhotite are present within olivine.

Geochemistry: Olivine Fa34.1-34.6, Fe/Mn=74-75; clinopyroxene Fs9.9-10.1Wo46.5-46.4, Fe/Mn=47-68.

Classification: Achondrite (brachinite). This specimen possibly is paired with NWA 4882.

Specimens: A total of 21.5 g and one polished thin section are on deposit at UWS. Ralew holds the main mass.

Data from:
  MB100
  Table 1
  Line 1358:
Place of purchase:Erfoud
Date:P Aug 2010
Mass (g):730
Pieces:1
Class:Brachinite
Shock stage:low
Weathering grade:moderate
Fayalite (mol%):34.1-34.6
Ferrosilite (mol%):9.9-10.1
Wollastonite (mol%):46.5-46.4
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):21.5
Type spec location:UWS
Main mass:S. Ralew
Comments: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)
Ralew: Stefan Ralew, Kunibertstra├če 29, 12524 Berlin, Germany; Website (private address)
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)
DCOM   
Gregor H.   
John Lutzon   
Mark Vornhusen   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6781 approved meteorites from (Northwest Africa) (plus 2061 unapproved names)

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