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Northwest Africa 5668
Basic information Name: Northwest Africa 5668
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5668
Observed fall: No
Year found: 2008
Country: (Northwest Africa)
Mass:help 29 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  CV3
Recommended:  CV3    [explanation]

This is 1 of 537 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 26 Sep 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 5668 (NWA 5668)

(Northwest Africa)

Purchased: 2008

Classification: Carbonaceous chondrite (CV3)

History: The meteorite was bought in 2008 from a Moroccan meteorite dealer in Erfoud, Morocco.

Physical characteristics: Small brownish individual with some fusion crust.

Petrography: Carbonaceous chondrite composed of up to 1.5 mm sized chondrules, CAIs and olivine amoeboids all set into a fine-grained almost black matrix. Type II chondrules are absent. Many chondrules show reddish staining due to terrestrial weathering.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2008
Mass (g):29
Pieces:1
Class:CV3
Shock stage:S1
Weathering grade:moderate
Fayalite (mol%):9.5±11.8 (0.5-34.4, n=29)
Ferrosilite (mol%):2±2.7 (0.9-13.2, n=19)
Wollastonite (mol%):1.7±1.2 (0.8-4.8, n=19)
Classifier:A. Greshake, MNB
Type spec mass (g):6
Type spec location:MNB
Main mass:Stefan Ralew
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Ralew: Stefan Ralew, Kunibertstraße 29, 12524 Berlin, Germany; Website (private address)
Catalogs:
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7354 approved meteorites from (Northwest Africa) (plus 1958 unapproved names)

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