AM_Milarite_3 Formula: Ca2 O30.94 Na.348 K Si12 (Al.651 Be2.349) H8 Name: Milarite Unit cell: 10.396 10.396 13.781 90.0 90.0 120.0 , V=1289.86 Space group: P6/MCC (192)

Hawthorne F C , Kimata M , Cerny P , Ball N A , Rossman G R , Grice J D , American Mineralogist , 76 (1991) p.1836-1856, The crystal chemistry of the milarite-group minerals, sample #30 from Rossing