Citation: Oberti, R.; Hawthorne, F.C.; Cannillo, E.; Ungaretti, L. (1995). (6)Al disorder in amphiboles from mantle peridotites. Canadian Mineralogist, 33, pp. 867-878.
Formula: Al2.23 Ca1.87 Cr0.06 F0.01 Fe0.57 H1.99 K0.04 Mg3.85 Na0.68 O23.99 Si6.38 Ti0.04
Chemical name: (Na.68 K.04) (Ca1.87 Fe.13) (Mg3.85 Fe.44 Al.61 Cr.06 Ti.04) (Si6.38 Al1.62) O22 F.01 (O H)1.99
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al14 Ca4 Cr4 F4 Fe14 H4 K4 Mg10 Na6 O48 Si16 Ti4 (Al7 Ca2 Cr2 F2 Fe7 H2 K2 Mg5 Na3 O24 Si8 Ti2)
Multiplicity: 1