Citation: Brown, G.E.; Prewitt, C.T. (1973). High-temperature crystal chemistry of hortonolite. American Mineralogist, 58, pp. 577-587.
Formula: Al0.01 Ca0.01 Fe0.35 Mg1.64 O4 Si0.99
Chemical name: (Mg1.64 Fe.35 Ca.01) (Si.99 Al.01) O4
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al4 Ca4 Fe8 Mg8 O16 Si4 (Al Ca Fe2 Mg2 O4 Si)
Multiplicity: 1