Citation: Harrison, F.W.; Brindley, G.W. (1957). The crystal structure of chloritoid. Acta Crystallographica (1,1948-23,1967), 10, pp. 77-82.
Formula: Al15 Fe7 H12 Mg1.2 O52 Si8
Chemical name: Fe7 Mg1.2 (Al15 Si8 O40) (O H)12
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al16 Fe12 Mg8 O56 Si8 (Al4 Fe3 Mg2 O14 Si2)
Multiplicity: 1