AM_Iowaite_1 Formula: (Mg.75 Fe.25) O2.5 H14 Cl.25 Name: Iowaite Unit cell: 3.1183 3.1183 24.113 90.0 90.0 120.0 , V=203.06 Space group: R-3M (166)

Braithwaite R S W , Dunn P J , Pritchard R G , Paar W H , Mineralogical Magazine , 58 (1994) p.79-85, Iowaite, a re-investigation, Locality: Palabora open pit mine, Phalaborwa, Transvaal