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Northwest Africa 10123
Basic information Name: Northwest Africa 10123
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10123
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 149.5 g
Meteoritical Bulletin:  MB 104  (2015)  Lunar (feldsp. breccia)
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 280 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 23 May 2015
Writeup from MB 104:

Northwest Africa 10123 (NWA 10123)

(Northwest Africa)

Purchased: 2015 Jan

Classification: Lunar meteorite (feldspathic breccia)

History: Purchased by Darryl Pitt in January 2015 from a dealer in Zagora, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Very fine grained fragmental breccia consisting mostly of mineral clasts of olivine, anorthite, orthopyroxene, pigeonite, augite and Al-chromite set in a matrix of the same minerals plus minor kamacite and barite.

Geochemistry: Olivine (Fa22.2-33.9, FeO/MnO = 82-97, N = 3), low-Ca pyroxene (Fs20.4-23.4, FeO/MnO = 46-54, N = 2), pigeonite (Fs33.1Wo8.2, FeO/MnO = 53), subcalcic augite (Fs13.0Wo36.6, FeO/MnO = 45). Plagioclase >An95 by EDS analysis.

Classification: Lunar (feldspathic breccia).

Specimens: 20.1 g including one polished endcut at UWB. The remainder is held by DPitt.

Data from:
  Table 0
  Line 0:
Place of purchase:Zagora
Date:P 2015 Jan
Mass (g):149.5
Class:Lunar (feldsp. breccia)
Shock stage:low
Weathering grade:low
Fayalite (mol%):22.2-33.9
Ferrosilite (mol%):20.4-23.4
Wollastonite (mol%):5.0-5.1
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.1
Type spec location:UWB
Main mass:DPitt
Comments:MAC 114; submitted by A. Irving
   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)
DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address)
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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     This is 1 of 8636 approved meteorites from (Northwest Africa) (plus 1884 unapproved names)

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