Citation: Mookherjee, M.; Redfern, S. A. T.; Zhang, M. (2001). Thermal response of structure and hydroxyl ion of phengite-2M_1: an in situ neutron diffraction and FTIR study Sample: T = 200 degrees C. European Journal of Mineralogy, 13, pp. 545-555.
Formula: Al2.28 F0.04 Fe0.28 H1.96 K0.475 Mg0.2 Na0.025 O11.96 Si3.24
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