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 5. American Mineralogist, 85, pp. 407-419.
Formula: Al2.68 Ca2.88 F0.02 Fe1.95 H2 K5 Mg2.77 Na1.87 O23.98 Si5.92 Ti0.6
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al26 Ca8 F4 Fe18 H4 Mg18 Na8 O52 Si16 Ti10 (Al13 Ca4 F2 Fe9 H2 Mg9 Na4 O26 Si8 Ti5)
Multiplicity: 1