Home / Explore / Minerals / Mathiasite Minerals Mathiasite mathiasite (K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38 Mathiasite mineral information and data — via www.dakotamatrix.com · Source Overview Mathiasite is a mineral species (oxide mineral). It crystallises in the trigonal system. Nickel–Strunz class: 4.CC.40. Scientific references Mathiasite — Wikidata. https://www.wikidata.org/wiki/Q3851803 Link