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Northwest Africa 13896
Basic information Name: Northwest Africa 13896
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13896
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 8 g
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 315 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 11 Nov 2021
Writeup from MB 110:

Northwest Africa 13896 (NWA 13896)

(Northwest Africa)

Purchased: 2019

Classification: Lunar meteorite (feldspathic breccia)

History: In May 2019 at the mineral show in Chenzhou Ziyao Wang discovered on the bottom of a box with ordinary chondrites from northwest Africa some small strange stones and donated some material to Rainer Bartoschewitz. Some of these stones are of meteoritic and others of terrestrial origin.

Physical characteristics: Dark gray-brown stone of 8 g

Petrography: (R. Bartoschewitz, Bart) Breccia of lithic clasts (anorthositic, melt rock) and mineral fragments (pyroxene and minor olivine) up to 1.5 mm in fine grained matrix. Opaque minerals are ilmenite and chromite.

Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Olivine Fa25.5-35.5 (Fe/Mn 79-123; n=3); poor Ca pyroxene Fs25.3-25.6Wo3.8-4.0 (Fe/Mn 55-56; n=2); pigeonite En55Fs37Wo8 Fe/Mn 67; n=1); augite En31-49Fs15-40Wo19-44 (Fe/Mn 43-66; n=6); anorthite An95.0-97.4Or<0.2 (n=23). Ilmenite Mg=6 wt% (n=9). Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10-9 m3/kg) = 2.72

Classification: lunar meteorite (feldspathic breccia)

Specimens: 1.65 g on deposit at Kiel, 2 g and polished thin section with Bart

Data from:
  Table 0
  Line 0:
Origin or pseudonym:desert
Place of purchase:Chenzhou, China
Date:P 2019
Mass (g):8
Class:Lunar (feldsp. breccia)
Fayalite (mol%):29.1±5.5 (n=3)
Ferrosilite (mol%):25.4±0.2 (n=2)
Wollastonite (mol%):3.9±0.2
Magnetic suscept.:2.72
Classifier:R. Bartoschewitz
Type spec mass (g):1.65
Type spec location:Kiel
Main mass:R. Bartoschewitz
Comments:working name WZD#14; 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 9128 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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