AM_Strunzite Formula: Mn Fe2 P2 O16 H14 Name: Strunzite Unit cell: 10.228 9.837 7.284 90.17 98.44 117.44 , V=641.28 Space group: P-1 (2)

Fanfani L , Tomassini M , Zanazzi P F , Zanzari A R , Tschermaks Mineralogische und Petrographische Mitteilungen , 25 (1978) p.77-87, The crystal structure of strunzite, a contribution to the, crystal chemistry of basic ferric-manganous hydrated phosphates, Locality: Big Chief mine, Glendale, South Dakota