Home / Explore / Minerals / Frolovite Minerals Frolovite frolovite Ca[B(OH)4]2 Frolovite: Mineral information, data and localities. — via www.mindat.org · Source Overview Frolovite is a mineral species (borate mineral). It crystallises in the triclinic system. Nickel–Strunz class: 6.AC.20. Scientific references Frolovite — Wikidata. https://www.wikidata.org/wiki/Q3753557 Link