Citation: Cellai, D.; Gesing, T. M.; Wruck, B.; Carpenter, M. A. (1999). X-ray study of the trigonal-hexagonal phase transition in metamorphic kalsilite. American Mineralogist, 84, pp. 1950-1955.
Formula: Al K O4 Si
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al2 O8 Si2 (Al O4 Si)
Multiplicity: 1
Coordination sequences: