Home / Explore / Minerals / Petermegawite Minerals Petermegawite petermegawite Petermegawite: Mineral information, data and localities. — via www.mindat.org · Source Overview Petermegawite is a mineral species. It crystallises in the orthorhombic system. Scientific references Petermegawite — Wikidata. https://www.wikidata.org/wiki/Q110297881 Link