Home / Explore / Minerals / Pringleite Minerals Pringleite pringleite Ca9B26O34(OH)24Cl4 * 13H2O Pringleite Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Pringleite is a mineral species (borate mineral). It crystallises in the triclinic system. Nickel–Strunz class: 6.GD.05. Scientific references Pringleite — Wikidata. https://www.wikidata.org/wiki/Q3922104 Link