Citation: Mookherjee, M.; Redfern, S.A.T.; Zhang, M. (2001). Thermal response of structure and hydroxyl ion of phengite-2M1: an in situ neutron diffraction and FTIR study. European Journal of Mineralogy (1,1989-), 13, pp. 545-555.
Formula: Al2.27 F0.04 Fe0.28 H1.96 K0.95 Mg0.2 Na0.05 O11.96 Si3.25
Chemical name: (K0.95 Na0.05) (Al0.76 Fe0.14 Mg0.10)2 (Si3.25 Al0.75) O10 ((O H)1.96 F0.04)
List type: interleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al12 F4 Fe4 H4 Mg4 O24 Si8 (Al3 F Fe H Mg O6 Si2)
Multiplicity: 1