Citation: Merlino, S. (1980). Crystal structure of sapphirine-1Tc Note: polytype sapphirine-1Tc. Zeitschrift fur Kristallographie, 151, pp. 91-100.
Formula: Al8.05 Fe1.05 Mg3.15 O20 Si1.75
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al20 Fe14 Mg8 O40 Si8 (Al10 Fe7 Mg4 O20 Si4)
Multiplicity: 1