Milarite_4 Formula: Ca1.532 Y.468 Na.048 K Si12 (Al.48 Be2.52) O30 Name: Milarite Unit cell: 10.342 10.342 13.777 90.0 90.0 120.0 , V=1276.13 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 #36 from Jaguaracu