Citation: Peacor, D R (1967). Refinement of the Crystal Structure of a Pyroxene of Formula M1 M2 (Si1.5 Al.5) O6. American Mineralogist, 52, pp. 31-41.
Formula: Al0.7 Ca Fe0.2 Mg0.6 O6 Si1.5
Chemical name: Magnesium iron calcium aluminium silicate *
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al12 Fe4 Mg4 O24 Si8 (Al3 Fe Mg O6 Si2)
Multiplicity: 1