Citation: Soboleva, S.V.; Sidorenko, O.V.; Zvyagin, B.B. (1977). Crystal structure of paragonite 1M. Kristallografiya, 22, pp. 510-514.
Formula: Al2.91 H2 Na0.91 O12 Si3.09
Chemical name: Na.91 Al2 (Si3.09 Al.91) O10 (O H)2
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al12 O24 Si8 (Al3 O6 Si2)
Multiplicity: 1