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Northwest Africa 13713
Basic information Name: Northwest Africa 13713
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13713
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 118.3 g
Recommended:  Winonaite    [explanation]

This is 1 of 81 approved meteorites (plus 1 unapproved name) classified as Winonaite.   [show all]
Search for other: Primitive achondrites, Winonaites
Comments: Approved 20 Mar 2021
Writeup from MB 110:

Northwest Africa 13713 (NWA 13713)

(Northwest Africa)

Purchased: October 2020

Classification: Primitive achondrite (Winonaite)

Physical characteristics: A single brown flat stone. Cut face reveals a metal-rich interior with metal areas up to cm in size.

Petrography: (J. Gattacceca, CEREGE) This meteorite is composed of a silicate fraction and a metal fraction in similar abundances. The silicate fraction shows triple junctions and is composed of olivine, orthopyroxene, and less abundant Ca-pyroxene (grainsize 100 μm). No plagioclase was observed. Other minerals: metal (as 50 μm grains in between silicate crystals, and as μm-sized inclusions in silicates), and sulfide. The metal fraction is under the form of centimetric grains forming a network enclosing silicates.

Geochemistry: Olivine Fa2.4±0.2, FeO/MnO = 6.7±0.7 (n=4). Orthopyroxene Fs7.6±0.2Wo2.0±0.1, FeO/MnO = 6.9±1.0 (n=3). Ca-pyroxene Fs3.0Wo44.1 (n=1). Kamacite Fe93.0Ni6.5Co0.52 (n=1, wt%). Taenite Fe66.1Ni33.7Co0.26 (n=3, wt%).

Classification: Winonaite. Metal-rich.

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

Data from:
  Table 0
  Line 0:
Place of purchase:Guelmin, Morocco
Date:P Oct 2020
Mass (g):118.3
Weathering grade:low
Magnetic suscept.:5.64
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):20.38
Type spec location:CEREGE
Main mass:Kuntz
Comments:work name K510; submitted by Jérôme Gattacceca
   and collections
CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 10 Jun 2023)
Kuntz: Fabien Kuntz, France; Website (private address)
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 9305 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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