AM_Ganophyllite
Formula: K.46 Mn1.988 Si3.184 O9.439
Name: Ganophyllite
Unit cell: 5.55 13.539 25.134 90.0 93.928 90.0 , V=1884.17
Space group: I12/A1 (15)

Noe D C , Veblen D R , American Mineralogist , 84 (1999) p.1088-1098, Incommensurate modulation and the crystal structure of ganophyllite