Lunar Meteorite: Northwest Africa 16565

from The Meteoritical Bulletin, No. 113

Northwest Africa 16625 (NWA 16625)

(Northwestern Africa)
Purchased: 2022 March
Mass: 1603 g (1 piece)

Lunar meteorite (feldspathic breccia)

History: Bought in Morocco in March 2022.

Physical Characteristics: Black stone. Cut surface reveals a gray interior with visible mm-size whitish or black clasts.

Petrography:  (J. Gattacceca, CEREGE) Igneous rock with mineral clasts (olivine, pyroxene, anorthite) to 300 µm set in a partially molten feldspathic matrix. One 2-mm anorthite clast is present in the studied section. Opaque minerals: metal, troilite, ilmenite.

Geochemistry: Olivine Fa_25.5, FeO/MnO 122 (n=2). Pyroxene Fs_42.5±11.1Wo_28.5±10.3, , range Fs_22.6-52.4, FeO/MnO 67.4±4.0 (n=6). Anorthite clasts An_96.2±0.6Ab_3.8Or_0.1 (n=2). Feldspathic matrix An_93.6Ab_6.1Or_0.2 (n=2).

Classification: Achondrite (lunar, feldspathic breccia, polymict)

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

Randy Says…

I have not studied Northwest Africa 16625.

More Information

Meteoritical Bulletin Database

NWA 16625