AM_Parsettensite
Formula: Mn49 (Si64.512 Al7.488) O218 K7.512
Name: Parsettensite
Unit cell: 39.1 22.84 17.95 90.0 135.6 90.0 , V=11215.70
Space group: C12/M1 (12)

Eggleton R A , Guggenheim S , American Mineralogist , 79 (1994) p.426-437, The use of electron optical methods to determine the crystal structure of a, modulated phyllosilicate: Parsettensite