Home / Explore / Minerals / Calcioandyrobertsite Minerals Calcioandyrobertsite calcioandyrobertsite KCaCu5(AsO4)4(H2AsO4) * 2H2O Calcioandyrobertsite Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Calcioandyrobertsite is a mineral species (arsenate mineral). Nickel–Strunz class: 8.DH.50. Scientific references Calcioandyrobertsite — Wikidata. https://www.wikidata.org/wiki/Q3650471 Link