Home / Explore / Minerals / Holdawayite Minerals Holdawayite holdawayite Mn6(CO3)2(OH)7(Cl,OH) Holdawayite Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Holdawayite is a mineral species (carbonate mineral). It crystallises in the monoclinic system. Nickel–Strunz class: 5.BA.20. Scientific references Holdawayite — Wikidata. https://www.wikidata.org/wiki/Q3786268 Link
