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Northwest Africa 6357
Basic information Name: Northwest Africa 6357
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6357
Observed fall: No
Year found: 2008
Country: (Northwest Africa)
Mass:help 109 g
Classification
  history:
Meteoritical Bulletin:  MB 99  (2011)  CV3
Recommended:  CV3    [explanation]

This is 1 of 542 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 4 Jan 2011
Writeuphelp
Writeup from MB 99:

Northwest Africa 6357 (NWA 6357)

(Northwest Africa)

Purchased: Oct 2008

Classification: Carbonaceous chondrite (CV3)

Petrography: (M.A. Ivanova, Vernad.) Meteorite consists of fine-grained matrix, chondrules and their fragments and refractory inclusions. The main minerals are olivine and pyroxene. The minor phases are spinel, chromite, sulfides, Fe,Ni metal grains.

Geochemistry: Olivine (EMP) is Fa0.33-14. Pyroxene is represented by low-Ca pyroxene Fs0.9-1.4Wo0.7-3.6En94-98 and augite Fs1.9-3.6Wo35-41En55-63. Oxygen isotopic compositions: (I. A Franchi and R. C Greenwood, OU, by laser fluorination): δ18O = 1.53‰; δ17O = -2.90‰; Δ17O = -3.70‰.

Data from:
  MB99
  Table 0
  Line 0:
Place of purchase:Munich, Germany
Date:P Oct 2008
Mass (g):109
Pieces:1
Class:CV3
Fayalite (mol%):0.33-14.0
Ferrosilite (mol%):0.9-1.4
Classifier:M. A. Ivanova, Vernad
Type spec mass (g):20.86
Type spec location:Vernad
Main mass:anon
Comments:Submitted by C. A. Lorenz
Plots: O isotopes:  
Institutions
   and collections
OU: Planetary and Space Sciences Department of Physical Sciences The Open University Walton Hall Milton Keynes MK7 6AA United Kingdom, United Kingdom (institutional address; updated 8 Dec 2011)
Vernad: Vernadsky Institute of Geochemistry and Analytical Chemistry, Russia (institutional address; updated 21 Feb 2016)
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)
Mirko Graul         
Robert Zdancewicz   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7483 approved meteorites from (Northwest Africa) (plus 1994 unapproved names)

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