Citation: Hawthorne, F. C.; Oberti, R.; Martin, R. F. (2006). Short-range order in amphiboles from the Bear Lake diggings, Ontario Sample: 757. The Canadian Mineralogist, 44, pp. 1171-1179.
Formula: Al0.03 Ca1.63 F0.58 Fe0.25 H3.42 Mg4.7 Mn0.02 Na1.18 O23.42 Si8
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al2 F4 Fe10 H4 Mg10 Mn4 O48 Si16 (Al F2 Fe5 H2 Mg5 Mn2 O24 Si8)
Multiplicity: 1