Lunar Meteorite

Northwest Africa 10713

Western Sahara


from The Meteoritical Bulletin, No. 105

Northwest Africa 10713

Western Sahara
Purchased: 2016 January
Mass: 60.2 g

Classification: Lunar meteorite (feldspathic breccia)

History: Purchased in January 2016; reportedly found near the Algerian border, November 2015.

Physical characteristics: Single stone with no fusion crust. Saw-cut and broken surfaces show a light gray, very fine-grained texture, with sparse small feldspar fragments ~2 mm, and scattered opaques.

Petrography: (C. Agee, UNM) This meteorite is an equilibrated, possibly recrystallized, feldspathic breccia. Most olivines and pyroxenes are very fine grained, 5-10 μm, with a few up to 200 μm, poikiolitically enclosed in much larger plagioclase grains.

Geochemistry: (C. Agee and M. Spilde, UNM) Olivine Fa24.4±0.4, Fe/Mn=106±8, n=12; pigeonite Fs20.6±1.1Wo7.9±0.7, Fe/Mn=60±6, n=6; plagioclase An93.3±3.4, n=6.

Classification: Lunar feldspathic breccia, granulitic.

Specimens: 20 12.2 g including a probe mount on deposit at UNM, DPitt holds the main mass.


Randy Says…

This one may be paired with another.  I don’t have a sample.


More Information

Meteoritical Bulletin Database

NWA 10713





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Prepared by: Randy L. Korotev

Department of Earth and Planetary Sciences
Washington University in St. Louis

Please don’t contact me about the meteorite you think that
you’ve found until you read this and this.



Last revised: 27 January 2018