Home / Explore / Minerals / Janchevite Minerals Janchevite janchevite Pb7V5+(O8.5☐0.5)Cl2 Janchevite: Mineral information, data and localities. — via www.mindat.org · Source Overview Janchevite is a mineral species (oxochloride mineral). It crystallises in the tetragonal system. Scientific references Janchevite — Wikidata. https://www.wikidata.org/wiki/Q46006723 Link