Citation: Guggenheim, S.; Eggleton, R. A. (1994). Stilpnomelane and parsettensite: A distance least squares (DLS) study. American Mineralogist, 79, pp. 438-442.
Formula: Fe2 O9 Si3
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Fe48 O216 Si72 (Fe2 O9 Si3)
Multiplicity: 1
Coordination sequences: