Citation: Bochu, B; Buevoz, J L; Chenavas, J; Collomb, A; Joubert, J C; Marezio, M (1980). Bond lengths in (Ca Mn~3~) (Mn~4~) O~12~. A new Jahn-Teller distortion of Mn^3+^ octahedra. Solid State Communications, 36, pp. 133-138.
Formula: Ca Mn7 O12
Chemical name:CALCIUM HEXAMANGANESE(III) MANGANESE(IV) DODECAOXIDE