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Northwest Africa 7123
Basic information Name: Northwest Africa 7123
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7123
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass:help 981 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  H3
Recommended:  H3    [explanation]

This is 1 of 594 approved meteorites (plus 2 unapproved names) classified as H3.   [show all]
Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 10 Dec 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 7123 (NWA 7123)

(Northwest Africa)

Purchased: 2011 Sep

Classification: Ordinary chondrite (H3)

History: Purchased by John Higgins in September 2011 from a dealer in Zagora, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Well-formed, relatively small chondrules in a finer grained matrix containing abundant altered metal.

Geochemistry: Olivine (Fa2.4-38.4; Cr2O3 contents in ferroan olivine 0.04-0.11 wt.%, mean 0.07±0.03 wt.%, N = 6), orthopyroxene (Fs3.0-36.0Wo1.0-2.2, N = 3), subcalcic augite (Fs7.5-18.7Wo23.6-28.3, N = 2)

Classification: Ordinary chondrite (H3).

Specimens: 62 g including one polished thin section at UWB; the remainder is held by Mr. J. Higgins.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Zagora
Date:P 2011 Sep
Mass (g):981
Pieces:1
Class:H3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):2.4-38.4
Ferrosilite (mol%):3.0-36.0
Wollastonite (mol%):1.0-2.2
Magnetic suscept.:5.25
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):62
Type spec location:UWB
Main mass:J. Higgins
Comments:JH11-10; submitted by A. Irving
Institutions
   and collections
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Bruno Caspirro   
Mike Markowitz   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7009 approved meteorites from (Northwest Africa) (plus 2002 unapproved names)

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