Lunar Meteorite: Northwest Africa 13225

northwestern Africa

from The Meteoritical Bulletin, No. 109

Northwest Africa 13225 (NWA 13225)

northwestern Africa
Purchase: 2015
Mass: 200.4 g (4 pieces)

Classification: Lunar meteorite (feldspathic breccia)

History: Purchased by Mohammed Hmani in 2015 from a dealer in Erfoud, Morocco.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Breccia composed of mineral clasts of calcic plagioclase (including anorthite), orthopyroxene, pigeonite, subcalcic augite and rare olivine (< 2 vol.%) set in a finer grained matrix containing the same minerals plus kamacite, ilmenite and troilite. Rare olivine-free diabasic lithic clasts and glass fragments are present.

Geochemistry: Anorthite (An95.4-97.8Or0.1, N = 3), plagioclase (An87.0Or0.1), orthopyroxene (Fs17.6-23.3Wo2.9-3.1, FeO/MnO = 47-55, N = 2), pigeonite (Fs25.3Wo8.9, FeO/MnO = 47), subcalcic augite (Fs12.1-27.0Wo34.2-34.4, FeO/MnO = 40-57, N = 2), olivine (Fa37.1; Fa58.2; FeO/MnO = 94-99; N = 2).

Classification: Lunar (feldspathic breccia)

Specimens: 20.4 g including one polished mount at UWB; remainder with Mr. M. Hmani.

Randy Says…

I have not studied 13225. It may be an NWA 8046 pair.

More Information

Meteoritical Bulletin Database

NWA 13225

Lunar Meteorites | List of Lunar meteorites