Lunar Meteorite: Northwest Africa 14798

A 15-g (left) and 16-g (right) stone of Northwest Africa 14798. Photo credit: Jérémy Bassemon
Two views of a 92-g stone of NWA 14798. Photo credit: Eclectic-Art

from The Meteoritical Bulletin, No. 111

Northwest Africa 14798 (NWA 14798)

Algeria
Find: 2020
Mass: 355.6 g (23 pieces)

Lunar meteorite (feldspathic breccia)

Physical Characteristics: Irregular gray stones

Petrography: (J. Gattacceca, CEREGE) Mineral and lithic clasts with ophitic texture set in a partly glassy feldspathic matrix. Main minerals are pyroxene and plagioclase. Accessory minerals: ilmenite, troilite, metal.

Geochemistry: Mineral clasts: Olivine Fa27.7±3.5, FeO/MnO = 94.6±5.7 (n=6); Pyroxene Fs31.8±5.6Wo14.5±6.7, FeO/MnO = 61.9±6.3 (n=5); Plagioclase An96.7±0.8Ab3.1±0.6Or0.3±0.2 (n=3). Ophitic clast: Olivine Fa42.3, FeO/MnO = 99.6 (n=1), Pyroxene Fs23.5±1.7Wo26.4±3.1, FeO/MnO = 55.9 (n=3); Plagioclase An94.7Ab4.6Or0.7 (n=2).

Classification: Achondrite (lunar, feldspathic breccia).

Specimens: Type specimen at CEREGE. Main mass with Jérémy Bassemon.

Randy Says…

I have not studied Northwest Africa 14798.

More Information

Meteoritical Bulletin Database

NWA 14798

Lunar Meteorites
List – ABC123 Order
List – Al2O3 Order