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Northwest Africa 6446
Basic information Name: Northwest Africa 6446
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6446
Observed fall: No
Year found: 2010
Country: Morocco
Mass:help 156 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  CO3
Recommended:  CO3    [explanation]

This is 1 of 510 approved meteorites classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 10 Apr 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 6446 (NWA 6446)

Morocco

Find: 2010

Classification: Carbonaceous chondrite (CO3)

History: Purchased by Fabien Kuntz in October 2012 from a dealer in Zagora, Morocco.

Petrography: (T. Bunch and J. Wittke, NAU; A. Irving, UWS) Small chondrules (average apparent diameter ~200 μm) and CAIs in a dark brown matrix.

Geochemistry: Olivine (Fa0.5-71.0, N = 3), orthopyroxene (Fs1.3-8.0Wo1.0-4.8, N = 3), subcalcic ferroaugite (Fs50.1-52.0Wo37.6-33.1, N = 2).

Classification: Carbonaceous chondrite (CO3).

Specimens: Type specimen plus one polished thin section at PSF; main mass with Kuntz.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:2010
Mass (g):156
Pieces:1
Class:CO3
Shock stage:S2
Weathering grade:low
Fayalite (mol%):0.5-71.0
Ferrosilite (mol%):1.3-8.0
Wollastonite (mol%):1.0-4.8
Classifier:T. Bunch, J. Wittke, NAU; A. Irving, S. Kuehner, UWS
Type spec mass (g):20.3
Type spec location:PSF
Main mass:FKuntz
Comments:work name K152; submitted by A. Irving
Institutions
   and collections
NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
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)
Kuntz: Fabien Kuntz, France; 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.
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Photos:
CreditPhotos
Public domain photographs:
Ted Bunch   
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1374 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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