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Northwest Africa 6432
Basic information Name: Northwest Africa 6432
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6432
Observed fall: No
Year found: 2009
Country: (Northwest Africa)
Mass:help 793 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  L5
Recommended:  L5    [explanation]

This is 1 of 8890 approved meteorites (plus 5 unapproved names) classified as L5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 16 Jun 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 6432 (NWA 6432)

(Northwest Africa)

Purchased: 2009 Feb

Classification: Ordinary chondrite (L5)

History: Purchased by Blaine Reed in February 2009 from a Moroccan dealer at the Tucson Gem and Mineral Show.

Petrography: (A. Irving and S. Kuehner, UWS) Sparse chondrules are set in a recrystallized matrix. Minerals are olivine, orthopyroxene, augite, sodic plagioclase, chromite, altered kamacite and troilite.

Geochemistry: Olivine (Fa25.3-25.4), orthopyroxene (Fs20.3-20.4Wo2.1-2.2), augite (Fs7.1-7.2Wo44.8-44.4).

Classification: Ordinary chondrite (L5).

Specimens: Type specimen plus one polished thick section are at PSF; main mass with Reed.

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Tucson
Date:P 2009 Feb
Mass (g):793
Pieces:1
Class:L5
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):25.3-25.4
Ferrosilite (mol%):20.3-20.4
Wollastonite (mol%):2.1-2.2
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):22.3
Type spec location:PSF
Main mass:B. Reed
Comments:21854; submitted by P. Sipiera
Institutions
   and collections		 PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
Reed: Blaine Reed, P.O. Box 1141, Delta, CO 81416, United States; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
John A. Shea   
Geography: 
Coordinates:Unknown.

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

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