Lunar Meteorite: Northwest Africa 13714

from The Meteoritical Bulletin, No. 110

Northwest Africa 13714 (NWA 13714)

northwestern Africa
Purchased: 2020 October
Mass: 39.2 g (1 piece)

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 Fa_41.9±6.8, range Fa_33.2-50.2, FeO/MnO = 92.8±7.8, CaO = 0.38±0.08 (n=5). Ca-pyroxene Fs_34.2±4.2Wo_19.8±3.4 (n=7), Fs_19.0Wo_42.0 (n=2), FeO/MnO = 52.9±4.0 (n=9). Feldspathic mesostasis An_97.0±0.8Ab_2.8±0.7Or_0.2±0.1 (n=7).

Classification: Achondrite (lunar feldspathic breccia)

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

Randy Says…

I have not studied NWA 13714.

More Information

Meteoritical Bulletin Database

NWA 13714