Citation: Oberti, R.; Hawthorne, F.C.; Ungaretti, L.; Cannillo, E. (1995). (6)Al disorder in amphiboles from mantle peridotites. Canadian Mineralogist, 33, pp. 867-878.
Formula: Al2.18 Ca1.88 Fe0.58 H2 K0.03 Mg3.7 Na0.6 O24 Si6.56 Ti0.05
Chemical name: (Na.55 K.03) (Ca1.88 Na.05 Fe.07) (Mg3.70 Fe.51 Al.74 Ti.05) (Si6.56 Al1.44) O22 (O H)2
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al14 Ca4 Fe14 H4 Mg10 Na4 O48 Si16 Ti4 (Al7 Ca2 Fe7 H2 Mg5 Na2 O24 Si8 Ti2)
Multiplicity: 1