Lunar Meteorite: Northwest Africa 16761

from The Meteoritical Bulletin, No. 113

Northwest Africa 16761 (NWA 16761)

(Northwestern Africa)
Purchased: 2019
Mass: 75.6 g (1 piece)

Lunar meteorite (fragmental breccia)

History: Purchased by Jay Piatek from a Moroccan meteorite dealer in 2016.

Physical Characteristics: Single stone, fusion crust absent, interior exposure shows a brecciated texture.

Petrography: (C. Agee, UNM) Microprobe and reflected light microscope examination of a polished mount shows a fragmental breccia with dominant plagioclase, olivine and clinopyroxene. Minor phases include chromite, ilmenite and Fe-sulfide.

Geochemistry: (M. Spilde, UNM) Olivine Fa_37.5±8.0, Fe/Mn=98±10, n=6; clinopyroxene Fs_37.2±10.6, Fe/Mn=59±7, n=7; plagioclase An_96.6±0.7, n=4.

Classification: Lunar fragmental breccia.

Specimens: 15.6 g on deposit at UNM, Jay Piatek holds the main mass.

Randy Says…

I have not studied Northwest Africa 16761.

More Information

Meteoritical Bulletin Database

NWA 16761