Citation: Ghose, S.; Yang, H. (1989). Mn-Mg distribution in a C2/m manganoan cummingtonite: Crystal-chemical considerations. American Mineralogist, 74, pp. 1091-1096.
Formula: Ca0.24 H2 Mg4.514 Mn2.246 O24 Si8
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca4 H4 Mg14 Mn14 O48 Si16 (Ca2 H2 Mg7 Mn7 O24 Si8)
Multiplicity: 1