編號 104500518

編號 104500518

Northwest Africa 17012 (NWA 17012)
(Northwest Africa)
Purchased: 2024
Classification: Carbonaceous chondrite (CV3)
History: The meteorite was purchased from a local dealer in Temara, Morocco.
Physical characteristics: Many almost black fragments with some fusion crust.
Petrography: Carbonaceous chondrite composed of large chondrules (up to 2 mm sized), large whitish CAIs (up to 2 mm sized), and olivine amoeboids all set into a fine-grained dark brownish to almost black matrix. Several chondrules show brownish staining due to terrestrial alteration. Opaque phases are troilite and rare FeNi metal.