Citation: Ohashi Y; Finger L W (1981). The crystal structure of santaclaraite, CaMn4[Si5O14(OH)](OH)*H2O: The role of hydrogen atoms in the pyroxenoid structure. American Mineralogist, 66, pp. 154-168.
Formula: Ca0.92 H4 Mg0.05 Mn4.03 O17 Si5
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca8 H16 Mg4 Mn20 O68 Si20 (Ca2 H4 Mg Mn5 O17 Si5)
Multiplicity: 1