Grizim 002

from The Meteoritical Bulletin, No. 112

Grizim 002

Adrar, Algeria
Purchased: 2022 January
Mass: 79.56 g (4 pieces)

Lunar meteorite (feldspathic breccia)

History: Found in Algeria and purchased by Ziyao Wang in January 2022 from a dealer in Laayoune, Morocco.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Breccia composed of mineral clasts of anorthite, low-Ca pyroxene, pigeonite and augite in a fine grained matrix containing ilmenite, chromite, baddeleyite, troilite and kamacite.

Geochemistry: Anorthite (An_96.1-97.2Or_0.1, N = 3), olivine (Fa_28.0-46.4, FeO/MnO = 96-116, N = 4), low-Ca pyroxene (Fs_20.1-34.1Wo_3.5-3.9, FeO/MnO = 64-71, N = 3), pigeonite (Fs_30.1-39.7Wo_6.9-9.3, FeO/MnO = 59-61), augite (Fs_21.3-45.4Wo_40.1-37.4, FeO/MnO = 58-62, N = 2).

Classification: Lunar (feldspathic breccia).

Specimens: 18.3 g in the form of a polished endcut at UWB; remainder with WangZ.

Randy Says…

I have not studied Grizim 002.

More Information

Meteoritical Bulletin Database

Grizim 002