The Meteoritical Bulletin, No.
Africa 12643 (NWA 12643)
Purchased: 2019 February
Mass: 2602 g
Lunar meteorite (feldspathic breccia)
in February 2019 by Darryl Pitt from a Mauritanian dealer.
Irving, UWS and P. Carpenter, WUSL) Breccia composed of
angular mineral grains of predominantly anorthite together with olivine,
low-Ca pyroxene, augite, Ti-chromite and minor secondary barite.
(An96.4-96.6Or0.1, N = 2), olivine (Fa25.4-25.8,
FeO/MnO = 92-93, N = 2), low-Ca pyroxene (Fs20.6-20.9Wo4.3-3.5,
FeO/MnO = 51-52, N = 2), augite (Fs10.5-10.6Wo42.3-41.6,
FeO/MnO = 33-35, N = 2).
g including a polished endcut and a polished epoxy mount at UWB;
remainder with DPitt.