Home / Explore / Minerals / Hydroxylgugiaite Minerals Hydroxylgugiaite hydroxylgugiaite (Ca,☐)2(Si,Be)(Be,Si)2O5(OH)2 Hydroxylgugiaite: Mineral information, data and localities. — via www.mindat.org · Source Overview Hydroxylgugiaite is a mineral species (sorosilicate mineral). It crystallises in the tetragonal system. Scientific references Hydroxylgugiaite — Wikidata. https://www.wikidata.org/wiki/Q26037121 Link