Home / Explore / Minerals / Probertite Minerals Probertite probertite NaCaB5O7(OH)4·3H2O Probertite Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Probertite is a mineral species (inoborate mineral). It crystallises in the monoclinic system. Nickel–Strunz class: 6.EB.15. Scientific references Probertite — Wikidata. https://www.wikidata.org/wiki/Q3922295 Link