Lunar Meteorite: Northwest Africa 13112

from The Meteoritical Bulletin, No. 109

Northwest Africa 13112 (NWA 13112)

(Northwest Africa)
Purchased: 2019 June
Mass: 386 g (1 piece)

Classification: Lunar meteorite (feldspathic breccia)

History: Purchased by Luc Labenne in June 2019 from a Moroccan dealer at the Ensisheim Show, and subsequently acquired by Theatrum Mundi.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Breccia composed of angular mineral grains of anorthite, orthopyroxene, pigeonite and augite plus some glass beads set in a finer grained matrix containing ilmenite, Ti chromite, troilite, pentlandite, kamacite and taenite.

Geochemistry: Olivine (Fa_37.8-49.1, FeO/MnO = 81-98, N = 5), orthopyroxene (Fs_33.8-37.2Wo_2.5-1.8, FeO/MnO = 52-61, N = 3), pigeonite (Fs_41.5Wo_6.1, FeO/MnO = 63), augite (Fs_25.0Wo_35.4; Fs_18.4Wo_40.8; Fs_12.5-16.3Wo_45.7-42.7; FeO/MnO = 43-54; N = 5), anorthite (An_94.7-96.6Or_0.1, N = 3).

Classification: Lunar (feldspathic breccia).

Specimens: 20.5 g including one polished piece at UWB; main mass with Theatrum Mundi (Via Cesalpino 20, 52100 Arezzo, Italy).

Randy Says…

I have not studied 13112.

More Information

Meteoritical Bulletin Database

NWA 13112