AM_Stringhamite Formula: Ca Cu Si O5 H2 Name: Stringhamite Unit cell: 5.03 16.135 5.343 90.0 102.96 90.0 , V=422.59 Space group: P121/C1 (14)

Hawthorne F C , Tschermaks Mineralogische und Petrographische Mitteilungen , 34 (1985) p.15-24, The crystal structure of stringhamite, Locality: Christmas mine, Pinal County, Arizona, USA