AM_Microsommite Formula: Ca Cl1.12 Na2.01 K.99 S.44 O13.76 Si3 Al3 Name: Microsommite Unit cell: 12.784 12.784 5.346 90.0 90.0 120.0 , V=756.65 Space group: P63 (173)

Bonaccorsi E , Comodi P , Merlino S , Physics and Chemistry of Minerals , 22 (1995) p.367-374, Thermal behaviour of davyne-group minerals, Sample: T = 293 K