Citation: Gruner, J W (1934). The crystal structures of talc and pyrophyllite.. Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik,Kristallchemie (-144,1977), 88, pp. 412-419.
Formula: H2 Mg3 O12 Si4
Chemical name:Trimagnesium dihydroxide phyllo-tetrasilicate