Home / Explore / Minerals / Girdite Minerals Girdite girdite Girdite: Mineral information, data and localities. — via www.mindat.org · Source Overview Girdite is a mineral species (discredited mineral). It crystallises in the monoclinic system. Nickel–Strunz class: 4.JL.30. Scientific references Girdite — Wikidata. https://www.wikidata.org/wiki/Q3768588 Link