NWA 11273, Brèche feldspathique (Lune) - Achondrite planétaire - 1.2×0.5×0.1 cm - 0.11 g

Description
NWA 11273, Brèche feldspathique (Lune) - Achondrite planétaire - 1.2×0.5×0.1 cm - 0.11 g
Tindouf, Algérie

Here is a fragment of the lunar meteorite NWA 11273 found in the area of Tindouf in Algeria (28°00.148'N 11°07.895'W).

This aterial excavated from a site near Tindouf (Algeria) was purchased by a consortium of collectors (Rob Wesel, Eric Twelker and Jason Phillips) in April 2017 from Moroccan dealers.

Petrography: (A. Irving and S. Kuehner, UWS) Breccia composed of mineral clasts of anorthite, olivine, exsolved pigeonite, pigeonite, augite, chromite, Ti-Cr-Fe spinel, kamacite, taenite and troilite in a finer grained matrix containing small vesicles and minor barite. Rare basalt clasts and glass fragments are also present.
Geochemistry: Olivine (Fa8.7-59.7, FeO/MnO = 89-111, N = 4), pigeonite (Fs28.8Wo11.2, FeO/MnO = 56), clinopyroxene host (Fs15.3Wo40.9, FeO/MnO = 44), orthopyroxene exsolution lamella (Fs34.0Wo2.7, FeO/MnO = 56), augite (Fs16.8Wo41.7, FeO/MnO = 62), plagioclase (An95.9-96.5Or0.2, N = 2).

It was classified by Tony Irving (University of Washington, Department of Earth and Space Sciences, Seattle, USA) in 2017.

The meteorite is sold in a nice collection box and a separate label / signed certificate of authenticity.

Informations du lot
Minéral principal / Nom météorite
NWA 11273, Brèche feldspathique (Lune) -
Forme minérale / Type météorite
Achondrite planétaire
Dimensions
1.2×0.5×0.1 cm
Poids
0.11 g
Origine (région / ville)
Tindouf
Origine (pays)
Algérie
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