Northwest Africa 16530 Lunar Fragmental Breccia

Petrography: This lunar meteorite is a polymict fragmental breccia of mostly anorthite with accessory olivine and pyroxene. Fine-grained matrix contains vesicles from <1 µm to approximately 100 µm. A few Fe-Ni grains were observed.

Geochemistry:  Olivine Fa_24.6±1.4, Fe/Mn=100±15, n=5; Pigeonite Fs_22.7±1.1Wo_10.9±1.9, Fe/Mn=56±7, n=4; Plagioclase An_97.2±0.1Ab_2.18±0.1, n=7.