Citation: Birle, J. D.; Gibbs, G. V.; Moore, P. B.; Smith, J. V. (1968). Crystal structures of natural olivines Note: variety hortonolite. American Mineralogist, 53, pp. 807-824.
Formula: Ca0.02 Fe0.98 Mg0.98 Mn0.02 O4 Si
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca8 Fe8 Mg8 Mn8 O16 Si4 (Ca2 Fe2 Mg2 Mn2 O4 Si)
Multiplicity: 1