Description
This is a genuine slice of an actual lunar meteorite. This particular meteorite is classified as a (Feldspathic breccia). It has been analyzed and classified as (NWA11237) as published in the meteorological bulletin. Click here! to view the complete publication in the Meteorological bulletin database.
Physical characteristics: A single stone (583 g) lacking fusion crust. The fresh interior exhibits white to beige clasts in a medium-gray matrix.
Petrography: (A. Irving and S. Kuehner, UWS) Breccia composed of angular mineral grains of anorthite, olivine, pigeonite, exsolved pigeonite, augite, ilmenite, Ti-chromite and troilite, plus sparse glass fragments, set in a finer-grained matrix containing small vesicles and minor barite.
Geochemistry: Olivine (Fa30.5-36.8, FeO/MnO = 99-106, N = 3), pigeonite (Fs20.8-33.2Wo6.2-8.4, FeO/MnO = 64-69, N = 2), orthopyroxene host (Fs52.7Wo1.6, FeO/MnO = 71), augite exsolution lamella (Fs 21.3Wo43.0, FeO/MnO = 66), augite (Fs19.5Wo42.6, FeO/MnO = 67), anorthite (An96.5-97.6Or0.2-0.3, N = 2).
This is a very nice specimen featuring a fascinating look inside the physical characteristics and attributes of this meteorite.
Weight: .8 gr
Provenance: Northwest Africa
Type: Actual specimen - one only
