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Northwest Africa 6451
Basic information Name: Northwest Africa 6451
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6451
Observed fall: No
Year found: 2009
Country: (Northwest Africa)
Mass:help 411 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  Brachinite
Recommended:  Brachinite    [explanation]

This is 1 of 49 approved meteorites classified as Brachinite.   [show all]
Search for other: Brachinites, Primitive achondrites
Comments: Approved 11 May 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 6451 (NWA 6451)

(Northwest Africa)

Purchased: 15 Jan 2009

Classification: Primitive achondrite (Brachinite)

History: Purchased by Alexandre Debienne in 2009 from a dealer in Morocco.

Physical characteristics: Partial individual with fusion crust.

Petrography: (A. Irving and S. Kuehner, UWS) Protogranular aggregate of predominantly olivine with subordinate clinopyroxene, chromite and kamacite.

Geochemistry: Olivine (Fa30.6-30.7; FeO/MnO = 56-65), clinopyroxene (Fs9.7-10.1Wo44.1-43.3).

Classification: Achondrite (brachinite).

Specimens: 34.15 g is on deposit at PSF. The main mass is held by Alexandre Debienne.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 15 Jan 2009
Mass (g):411
Pieces:1
Class:Brachinite
Shock stage:low
Weathering grade:low
Fayalite (mol%):30.6-30.7
Ferrosilite (mol%):9.7-10.1
Wollastonite (mol%):44.1-43.3
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):34.15
Type spec location:PSF
Main mass:A. Debienne
Finder:unknown
Comments: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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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)
Wang Ziyao   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6984 approved meteorites from (Northwest Africa) (plus 2008 unapproved names)

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