arsenate kamarizaite and the iron(III) phosphate tinticite UWE KOLITSCH1,2,*, CHRISTIAN L. LENGAUER2 and...minerals kamarizaite, Fe33þ(AsO4)2(OH)3 3H2O, and tinticite, Fe33þ(PO4)2(OH)3 3H2O, for which highly contradictory...structure model. Rietveld analyses of fine-grained tinticite from Tintic, Utah (USA), Bruguers (Spain) and...kamarizaite and tinticite are triclinic and isotypic. A previously published structure model for tinticite, as well...incorrect. Refined unit-cell parameters of a cotype tinticite specimen from Tintic are: a ¼ 7.647(1), b ¼ 7 |