Citation: Tait, K.T.; Hawthorne, F.C.; della Ventura, G. (2001). Al-Mg disorder in a gem-quality pargasite from Baffin Island, Nunavut, Canada. Canadian Mineralogist, 39, pp. 1725-1732.
Formula: Al2.26 Ca1.82 F0.63 Fe0.08 H1.25 K0.24 Mg4.15 Na0.91 O23.37 Si6.45 Ti0.06
Chemical name: (K0.24 Na0.73) (Ca1.82 Na0.18) (Mg4.15 Ti0.06 Al0.71 Fe0.08) (Si6.45 Al1.55) O22 (O0.12 (O H)1.25 F0.63)
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al14 F4 Fe6 H4 Mg10 O48 Si16 Ti4 (Al7 F2 Fe3 H2 Mg5 O24 Si8 Ti2)
Multiplicity: 1