AM_Manganite
Formula: Mn O2
Name: Manganite
Unit cell: 8.86 5.24 5.7 90.0 90.0 90.0 , V=264.63
Space group: B121/D1 (14)

Buerger M J , Zeitschrift fur Kristallographie , 95 (1936) p.163-174, The symmetry and crystal structure of manganite, Mn(OH)O, Locality: Ilfeld, Germany