Citation: Comodi, P.; Mellini, M.; Ungaretti, L.; Zanazzi, P. F. (1991). Compressibility and high pressure structure refinement of tremolite, pargasite and glaucophane Sample: pressure at 35 kbar. European Journal of Mineralogy, 3, pp. 485-499.
Formula: Ca2 Fe0.05 H2 Mg4.95 O24 Si8
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Fe10 Mg10 O48 Si16 (Fe5 Mg5 O24 Si8)
Multiplicity: 1