AM_Milarite_9
Formula: K1.153 Ca2 (Be2.31 Al.69) Si12 O30.588
Name: Milarite
Unit cell: 10.398 10.398 13.771 90.0 90.0 120.0 , V=1289.42
Space group: P6/MCC (192)

Armbruster T , Bermanec V , Wenger M , Oberhansli R , European Journal of Mineralogy , 1 (1989) p.353-362, Crystal chemistry of double-ring silicates:, Structure of natural and dehydrated milarite at 100 K, Note: natural sample, Locality: Val Giuf, Graubunden, Switzerland