AM_Metavoltine
Formula: K2 Na6 Fe6.6 Cu.3 Zn.1 S12 O68 H36
Name: Metavoltine
Unit cell: 9.575 9.575 18.17 90.0 90.0 120.0 , V=1442.66
Space group: P113 (1)

Giacovazzo C , Scordari F , Todisco A , Menchetti S , Tschermaks Mineralogische und Petrographische Mitteilungen , 23 (1976) p.155-166, Crystal structure model for metavoltine from Sierra Gorda, Locality: Sierra Gorda, Chile