Citation: Brunton, G. D.; Harris, L. A.; Kopp, O. C. (1972). Crystal structure of a rubidium iron feldspar. American Mineralogist, 57, pp. 1720-1728.
Formula: Fe1.088 O8 Rb Si2.912
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Fe16 O32 Si16 (Fe O2 Si)
Multiplicity: 1