Citation: Hanscom, R. (1980). The structure of triclinic chloritoid and chloritoid polymorphism. American Mineralogist, 65, pp. 534-539.
Formula: Al3.84 Fe1.93 Mg0.15 O14 Si2
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al8 Fe6 Mg4 O28 Si4 (Al4 Fe3 Mg2 O14 Si2)
Multiplicity: 1