Northwest Africa 15813 (NWA 15813) (Northwest Africa) Purchased: February, 2023 Classification: Carbonaceous chondrite (CV3) History: The meteorite was purchased from a meteorite dealer in Morocco. Physical characteristics: Four black fragments partly covered with fusion crust. Petrography: Carbonaceous chondrite composed of large up to 3 mm sized chondrules, up to 4 mm sized whitish CAIs, and olivine amoeboids all set into a fine-grained almost black matrix. Some chondrules show brownish staining due to terrestrial alteration. Opaque phases include magnetite, sulfides, and FeNi metal. Cracks are often filled with secondary calcite. Geochemistry: Ni in sulfides 23.6±2.5 wt%, N=5 Classification: Carbonaceous chondrite (CVox3).