Citation: Guha, R.; Nag, D. K.; Iyengar, S. V. P. (1987). Structure of an amphibole from Simlipal granite, India. Indian Minerals, 41, pp. 32-41.
Formula: Ca2 Fe5 Na O24 Si8
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Fe10 O48 Si16 (Fe5 O24 Si8)
Multiplicity: 1
Coordination sequences: