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Northwest Africa 5596
Basic information Name: Northwest Africa 5596
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5596
Observed fall: No
Year found: 2007
Country: (Northwest Africa)
Mass:help 780 g
Classification
  history:
Meteoritical Bulletin:  MB 109  (2020)  CO3
Recommended:  CO3    [explanation]

This is 1 of 643 approved meteorites (plus 1 unapproved name) classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 3 Jul 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 5596 (NWA 5596)

(Northwest Africa)

Purchased: 2007

Classification: Carbonaceous chondrite (CO3)

History: The meteorite was purchased from a meteorite dealer in Morocco.

Physical characteristics: Brownish rock without fusion crust.

Petrography: The meteorite shows a dark brownish interior and is predominantly composed of abundant chondrules (mean diameter about 180 μm), CAIs, and mineral fragments set into a fine-grained matrix. Chondrules are highly unequilibrated and sometimes surrounded by fine-grained dust rims. Sulfides and FeNi metal are present in matrix and chondrules.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2007
Mass (g):780
Pieces:1
Class:CO3
Shock stage:S1
Weathering grade:W2
Fayalite (mol%):13.1±16.6 (0.8-45.0, n=12)
Ferrosilite (mol%):2.3±0.7 (1.2-3.5, n=13)
Wollastonite (mol%):0.9±0.6 (0.3-2.6, n=13)
Classifier:A. Greshake, MNB
Type spec mass (g):23.7
Type spec location:MNB
Main mass:Svend Buhl
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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