Formula: Fe P O6 H4
Name: Strengite
Unit cell: 8.722 9.878 10.1187 90.0 90.0 90.0 , V=871.79
Space group: PBCA (61)

Taxer K , Bartl H , Crystal Research and Technology , 39 (2004) p.1080-1088, On the dimorphy between the variscite and clinovariscite group: refined, finestructural relationship of strengite and clinostrengite, Fe(PO4)*2H2O, Locality: Kreuzberg, Pleystein, Barvaria, Note: x(O3) corrected to match reported bond lengths