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Northwest Africa 14338
Basic information Name: Northwest Africa 14338
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14338
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 7.6 g
Meteoritical Bulletin:  MB 110  (2022)  Lunar (frag. breccia)
Recommended:  Lunar (frag. breccia)    [explanation]

This is 1 of 32 approved meteorites classified as Lunar (frag. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 11 Nov 2021
Writeup from MB 110:

Northwest Africa 14338 (NWA 14338)

(Northwest Africa)

Purchased: 2019

Classification: Lunar meteorite (frag. breccia)

History: Donated by Fayssal Merzoughi in March 2019

Physical characteristics: 7.6 g gray stone without fusion crust

Petrography: (R. Bartoschewitz, Bart) Fragmental breccia of lithic (mainly gabbroic) and mineral clasts (pyroxene, olivine, feldspar). Minor phases are chromite, ilmenite, FeS and metal.

Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Olivine Fa25.3(19.0-36.5; Fe/Mn 66-116; n=10); poor Ca-pyroxene Fs22.2Wo2.7 (FeO/MnO 52; n=1); pigeonite En69-70Fs20-24Wo7-11 (Fe/Mn 45-52; n=4); anorthite An92.8-97.1Or<0.3 (n=12); chromite CRAL=70-85, FFM=65-84 (n=6). Ilmenite MgO=6 wt% (n=2); kamacite Ni=2.9-6.7, Co=1.5-0.5 wt% (n=5). Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10-9 m3/kg) = 2.64

Classification: lunar meteorite (fragmental breccia)

Specimens: 1.66 g on deposit at Kiel, Bart holds the main mass and a polished thin section

Data from:
  Table 0
  Line 0:
Place of purchase:Marrakech
Date:P 2019
Mass (g):7.6
Class:Lunar (frag. breccia)
Fayalite (mol%):25.3±5.6 (n=10)
Ferrosilite (mol%):22.3 (n=1)
Wollastonite (mol%):3.7
Magnetic suscept.:2.64
Classifier:R. Bartoschewitz
Type spec mass (g):1.66
Type spec location:Kiel
Main mass:Bart
Comments:NWA-RB18; submitted by R. Bartoschewitz
   and collections
Kiel: Geologisches und Mineralogisches Museum, Institut für Geowissenschaften, Christian-Albrechts-Universität Kiel, Ludewig-Mayn-Str. 10, D-24118 Kiel, Germany, Germany (institutional address; updated 13 Sep 2013)
Bart: Bartoschewitz Meteorite Laboratory, Weiland 37, D-38518 Gifhorn, Germany; Website (private address; updated 30 Nov 2019)
References: Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

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