AM_Milarite_1 Formula: Ca1.968 Y.032 Na.24 O30.72 K Si12 (Al.729 Be2.271) H4.48 Name: Milarite Unit cell: 10.404 10.404 13.825 90.0 90.0 120.0 , V=1295.97 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 #33 from Tittling, Note: U(1,2) of WatB/NaB/KC changed to match symmetry constraints