AM_Tschortnerite Formula: Ca22.48 Sr4.32 K2.88 Ba1.2 Cu12 (Si48 Al48) O305.862 Cl.224 H524 Name: Tschortnerite Unit cell: 31.62 31.62 31.62 90.0 90.0 90.0 , V=31614.45 Space group: FM3M (225)

Effenberger H , Giester G , Krause W , Bernhardt H J , American Mineralogist , 83 (1998) p.607-617, Tschortnerite, a copper-bearing zeolite from the Bellberg volcano, Eifel,, Germany