AM_Milarite Formula: Ca2 Na.188 O30.668 K Si12 (Al.81 Be2.19) H3.52 Name: Milarite Unit cell: 10.41 10.41 13.845 90.0 90.0 120.0 , V=1299.35 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 #25 from Guanajuato, Note: U(1,2) of WatB/NaB changed to match symmetry constraints