AM_Ferripedrizite Formula: O23.3 F.7 Si8 Mg1.48 Fe2.51 Al.2 Ti.08 Zn.02 Li2.34 Mn.07 Na.76 Ca.04 K.04 H1.3 Name: Ferripedrizite Unit cell: 9.499 17.864 5.296 90.0 102.15 90.0 , V=878.55 Space group: C12/M1 (12)

Caballero J M , Oberti R , Ottolini L , American Mineralogist , 87 (2002) p.976-982, Ferripedrizite, a new monoclinic Li amphibole end-member from the, Eastern Pedriza Massif, Sierra de Guadarrama, Spain, and a restatement, of the nomenclature of Mg-Fe-Mn-Li amphiboles