NWA 11809 (lunar)

 20.00 36.00


Northwest Africa 11809 (NWA 11809)

(Northwest Africa)

Purchased: 2017 Sep

Classification: Lunar meteorite (feldspathic breccia)

History: Purchased by Fabien Kuntz in September 2017 from a dealer in Erfoud, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Breccia composed of angular mineral clasts of anorthite, olivine, orthopyroxene, pigeonite, subcalcic augite and Ti-chromite in a finer grained matrix containing minor barite.

Geochemistry: Olivine (Fa30.0-41.3, FeO/MnO = 87-97, N = 3), orthopyroxene (Fs35.7Wo4.2, FeO/MnO = 56), pigeonite (Fs25.2-29.8Wo7.9-10.1, FeO/MnO = 52-63, N = 2), subcalcic augite (Fs15.8Wo30.1, FeO/MnO = 56), anorthite (An92.0-95.0Or0.2-0.1, N = 2).

Classification: Lunar (feldspathic breccia).

Specimens: 14.11 g including a polished slice at UWB; main mass with Kuntz.

Additional information

Weight N/A

0.048g, 0.147g, 0.173g