AM_Allanpringite Formula: (Fe2.75 Al.25) P2 O16 H15 Name: Allanpringite Unit cell: 9.777 7.358 17.83 90.0 92.19 90.0 , V=1281.74 Space group: P121/N1 (14)

Kolitsch U , Bernhardt H J , Lengauer C L , Blass G , Tillmanns E , European Journal of Mineralogy , 18 (2006) p.793-801, Allanpringite, Fe3(PO4)2(OH)3*5H2O, a new ferric iron phosphate from Germany,, and its close relation to wavellite, Locality: Grube mark, Esserhausen, Weilburg/Lahn, Taunus, Hesse, Germany