Citation: Oberti, R.; Hawthorne, F. C.; Ungaretti, L.; Cannillo, E. (1995). [6]Al disorder in amphiboles from mantle peridotites Sample: F14. The Canadian Mineralogist, 33, pp. 867-878.
Formula: Al2.838 Ca1.8 Cr0.02 Fe0.47 H2 K0.007 Mg3.8 Na0.935 O24 Si6.072
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al22 Ca8 Cr4 Fe18 H4 K10 Mg18 Na10 O48 Si16 (Al11 Ca4 Cr2 Fe9 H2 K5 Mg9 Na5 O24 Si8)
Multiplicity: 1