Home / Explore / Minerals / Graeserite Minerals Graeserite graeserite Fe³⁺4Ti3As³⁺O13(OH) Graeserite: Mineral information, data and localities. — via www.mindat.org · Source Overview Graeserite is a mineral species (oxide mineral). Nickel–Strunz class: 4.JB.55. Scientific references Graeserite — Wikidata. https://www.wikidata.org/wiki/Q3774175 Link