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 22. American Mineralogist, 85, pp. 407-419.
Formula: Al0.16 Ca1.08 Fe0.45 H2 K1.23 Mg4.45 Na1.07 O24 Si7.68 Ti0.26
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al16 Fe10 H4 Mg10 O52 Si16 Ti26 (Al8 Fe5 H2 Mg5 O26 Si8 Ti13)
Multiplicity: 1