Meteoritical Bulletin, No. 105
Mass: 202 g
meteorite (feldspathic breccia)
Reportedly found in Western Sahara. Purchased by Steve Arnold from a
Moroccan meteorite dealer in 2016.
characteristics: Two identical appearing stones, weathered
exterior with no fusion crust. Saw cuts reveal a polymict, feldspathic
breccia with numerous white feldspar clasts, many in the range 1-5 mm, set
in a dark gray matrix. There are also scattered cm-sized feldspathic clasts
present. Some dark-colored domains have only sparse, fine grained,
(C. Agee, UNM) This meteorite is
a mixture of domains with fine-grained groundmasses of pyroxene+olivine+plagioclase+opaques.
Large fragmental plagioclase grains were observed throughout, shock melt
veins are also present.
(C. Agee and M.Spilde, UNM) olivine Fa47.7±9.5, Fe/Mn=95±7, n=11; pigeonite
Fs41.9±9.8Wo4.9±3.3, Fe/Mn=61±8, n=12; augite Fs24.9±14.2Wo37.5±6.8,
Fe/Mn=61±13, n=10; plagioclase An95.8±0.6Ab4.0±0.6Or0.2±0.1,
Lunar (feldspathic breccia).
Specimens: 20.02 g including a probe mount on deposit at UNM, Steve Arnold holds the main