Citation: Miura, H.; Kudou, H.; Choi, J. H.; Hariya, Y. (1990). The crystal structure of ramsdellite from Pirika mine. Journal of the Faculty of Science, Hokkaido University, Series 4, 22, pp. 611-617.
Formula: Mn O2
Chemical name: Manganese(IV) Oxide
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Mn4 O8 (Mn O2)
Multiplicity: 1
Coordination sequences: