Citation: Comopdi, P.; Boffa Ballaran, T.; Zanazzi, P. F.; Capalbo, C.; Zanetti, A.; Nazzareni, S. (2010). The effect of oxo-component on the high-pressure behavior of amphiboles Sample: FR12 P = 2.85 GPa. American Mineralogist, 95, pp. 1042-1051.
Formula: Ca1.78 Fe1.72 H2 K0.4 Mg3.404 Na0.56 O24 Si8
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Fe10 K4 Mg10 Na4 O48 Si16 (Fe5 K2 Mg5 Na2 O24 Si8)
Multiplicity: 1