Citation: Alvaro, M.; Nestola, F.; Ballaran, T. B.; Camara, F.; Domeneghetti, M. C.; Tazzoli, V. (2010). High-pressure phase transition of a natural pigeonite Note: P = 9.405 GPa. American Mineralogist, 95, pp. 300-311.
Formula: Al0.02 Ca0.121 Fe1.008 Mg0.871 O6 Si1.98
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al8 Ca4 Fe8 Mg8 O24 Si8 (Al2 Ca Fe2 Mg2 O6 Si2)
Multiplicity: 1
Coordination sequences: