Citation: Hawthorne, F. C.; Ito, J. (1977). Synthesis and crystal-structure refinement of transition-metal orthopyroxenes I: Orthoenstatite and (Mg, Mn, Co) orthopyroxene. The Canadian Mineralogist, 15, pp. 321-338.
Formula: Mg O3 Si
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Mg16 O48 Si16 (Mg O3 Si)
Multiplicity: 1
Coordination sequences: