Home / Explore / Minerals / Marchettiite Minerals Marchettiite marchettiite C5H7N5O3 Marchettiite, (NH4)C5H3N4O3, a new organic mineral from Mount ... — via www.cambridge.org · Source Overview Marchettiite is a mineral species (organic mineral). It crystallises in the triclinic system. Scientific references Marchettiite — Wikidata. https://www.wikidata.org/wiki/Q46004042 Link