Home / Explore / Minerals / Erythrosiderite Minerals Erythrosiderite erythrosiderite K2Fe³⁺Cl5·H2O Erythrosiderite archived mineral specimens — via www.dakotamatrix.com · Source Overview Erythrosiderite is a mineral species (halide mineral). Nickel–Strunz class: 3.CJ.10. Scientific references Erythrosiderite — Wikidata. https://www.wikidata.org/wiki/Q3731838 Link