Citation: Oberti, R.; Vannucci, R.; Zanetti, A.; Tiepolo, M.; Brumm, R. C. (2000). A Crystal Chemical re-evaluation of amphibole/melt and amphibole/clinopyroxene DTi values in petrogenetic studies SAMPLE 31. American Mineralogist, 85, pp. 407-419.
Formula: Al0.16 Ca0.86 F0.04 Fe2.65 H2 K1.32 Mg3.8 Na1.23 O23.96 Si7.68 Ti0.71
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al16 Ca4 F4 Fe14 H4 Mg10 Na4 O52 Si16 Ti26 (Al8 Ca2 F2 Fe7 H2 Mg5 Na2 O26 Si8 Ti13)
Multiplicity: 1