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Northwest Africa 13714
Basic information Name: Northwest Africa 13714
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13714
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 39.2 g
Classification
  history:
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 288 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 20 Mar 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13714 (NWA 13714)

(Northwest Africa)

Purchased: October 2020

Classification: Lunar meteorite (feldspathic breccia)

Physical characteristics: A single flat grey brecciated stone. Cut surface reveals a dark grey interior with clasts.

Petrography: (J. Gattacceca, CEREGE) Breccia with mineral and melt rock clasts (to mm) set in a matrix that can be glassy (with vesicles) to clastic. Main minerals are Ca-pyroxene and olivine. Other minerals: metal, troilite (10-20 µm), ilmenite.

Geochemistry: Olivine Fa41.9±6.8, range Fa33.2-50.2, FeO/MnO = 92.8±7.8, CaO = 0.38±0.08 (n=5). Ca-pyroxene Fs34.2±4.2Wo19.8±3.4 (n=7), Fs19.0Wo42.0 (n=2), FeO/MnO = 52.9±4.0 (n=9). Feldspathic mesostasis An97.0±0.8Ab2.8±0.7Or0.2±0.1 (n=7).

Classification: Achondrite (lunar feldspathic breccia)

Specimens: Type specimen at CEREGE. Main mass with Kuntz.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Guelmin, Morocco
Date:P Oct 2020
Mass (g):39.2
Pieces:1
Class:Lunar (feldsp. breccia)
Weathering grade:moderate
Fayalite (mol%):41.9±6.8 (n=5)
Magnetic suscept.:2.87
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):8.19
Type spec location:CEREGE
Main mass:Kuntz
Finder:anonymous
Comments:work name K522; submitted by Jérôme Gattacceca
Institutions
   and collections
CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 29 Oct 2018)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
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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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8777 approved meteorites from (Northwest Africa) (plus 1879 unapproved names)

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