from The Meteoritical Bulletin, No. 109
Northwest Africa 13450 (NWA 13450)
Lunar meteorite (feldspathic breccia)
History: Purportedly found in Algeria and purchased in Tindouf, Algeria in June 2020. David Lehman is the American agent for the owners.
Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Breccia composed of mineral clasts of anorthite, olivine, low-Ca pyroxene and augite, plus sparse anorthositic lithic clasts, in a finer grained matrix containing ilmenite, chromite (with variable Ti content), troilite and rare metal (with kamacitic and taenitic subdomains).
Geochemistry: Olivine (Fa42.6-55.8, FeO/MnO = 87-98, N = 5), low-Ca pyroxene (Fs36.0-52.8Wo2.2-4.6, FeO/MnO = 56-58, N = 3), augite (Fs14.5-25.1Wo39.9-43.5, FeO/MnO = 40-58, N = 3), anorthite (An96.3-97.9Or0.1, N = 3).
Classification: Lunar (feldspathic breccia).
Specimens: 24.0 g including a polished mount at UWB; remainder with Mr. D. Lehman.
I have not analyzed NWA 13450.
Meteoritical Bulletin Database