Mars Rock on Card

Hold a piece of the universe in your hand!  Mars Rock: A piece of the Mars meteorite NWA 12269 (Shergottite) Specimen size approx. 2 mg   Northwest Africa 12269 (NWA 12269) (Northwest Africa) Purchased: July 2018 Classification: Martian meteorite (Shergottite) History: Purchased in Ouarzazate, Morocco by Mohamed Aid in July 2018. Petrography: Relatively fine grained with intersertal texture. Composed predominantly of zoned clinopyroxene and maskelynite (some exhibiting a curved, narrow lath-like habit) with accessory fine grained intergrowths of hedenbergite+fayalite+silica, Fe-Ti oxides, merrillite and pyrrhotite. Geochemistry: Subcalcic augite (Fs24.8-41.8Wo31.4-24.3, FeO/MnO = 30-33, N = 3), ferropigeonite (Fs66.9-73.0Wo16.6-16.5, FeO/MnO = 41-43, N = 2), maskelynite (An51.9-53.1Or1.3-1.2, N = 2).Classification: Martian (shergottite, fine-intersertal) As of April 2019, 266 meteorites have been identified as Martian, out of over 61,000 known meteorites. These meteorites are thought t