AM_Junitoite
Formula: Ca Zn2 Si2 O8 H2
Name: Junitoite
Unit cell: 12.51 6.318 8.561 90.0 90.0 90.0 , V=676.65
Space group: AMA2 (40)

Hamilton R D , Finney J J , Mineralogical Magazine , 49 (1985) p.91-95, The structure of junitoite, CaZn2Si2O7*H2O, Locality: Christmas mine, Gile County, Arizona, USA