NWA 10228 

LUNAR METEORITE
FELDSPATHIC LUNAR MELT MATRIX BRECCIA 
0.764 GRAM COMPLETE SLICE
EXTRA THIN SLICE WITH FULL RIM OF FUSION CRUST AND WIDE SURFACE AREA

 
OFFICIAL CLASSIFICATION DATA SOURCE:
The Meteoritical Society
International Society for Meteoritics and Planetary Science
Lunar and Planetary Institute
Meteoritical Bulletin Database

Northwest Africa 10228
Basic informationName: Northwest Africa 10228
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10228 
Observed fall: No
Year found: 2015
Country: (Northwest Africa) 
Mass:help 19.4 g
Classification
  history:
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 136 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments:Approved 4 Sep 2015
Writeuphelp
Writeup from MB 104: 

Northwest Africa 10228 (NWA 10228)

(Northwest Africa)

Purchased: 2015 May

Classification: Lunar meteorite (feldspathic breccia)

History: Purportedly found near Laagad, east of Assa, Morocco and purchased by John Higgins from a dealer in Ouarzazate in May 2015.

Petrography: (A. Irving and S. Kuehner, UWS) Very fine-grained breccia consisting of small mineral clasts of anorthite, olivine, pigeonite, augite, ilmenite, kamacite, troilite, merrillite, plus rare grains of rutile and baddeleyite, within a melt-textured intersertal matrix.

Geochemistry: Olivine (Fa25.6-26.2, FeO/MnO = 91-103, N = 4), pigeonite (Fs 22.0-24.3Wo6.6-8.0, FeO/MnO = 50-60, N = 3), augite (Fs14Wo37.4, FeO/MnO = 44).

Classification: Lunar (feldspathic melt-matrix breccia)

Specimens: 4.15 g including one polished slice at UWB; main mass with Mr. J. Higgins.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Ouarzazate
Date:P 2015 May
Mass (g):19.4
Pieces:1
Class:Lunar (feldsp. breccia)
Shock stage:low
Weathering grade:low
Fayalite (mol%):25.6-26.2
Ferrosilite (mol%):22.0-24.3; 14.0
Wollastonite (mol%):6.6-8.0; 37.4
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):4.15
Type spec location:UWB
Main mass:J. Higgins
Comments:JH15-4; 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, in preparation (2015)
GUARANTEED AUTHENTICITY
Member of the Meteoritical Society & International Meteorite Collectors Association #9822 The authenticity of this meteorite comes with a 100% guarantee. Signed Certificate of Authenticity included. First class delivery and provenance provided. 1cm scale cube for reference purposes.
SHIPPING: Please request the total for multiple items to receive a combined invoice.
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