Home / Explore / Minerals / Rasmussenite Minerals Rasmussenite rasmussenite Ca(C2H3O3)2·3H2O Rasmussenite mineral information and data — via www.dakotamatrix.com · Source Overview Rasmussenite is a mineral species. It crystallises in the triclinic system. Nickel–Strunz class: 10.AA.40. Scientific references Rasmussenite — Wikidata. https://www.wikidata.org/wiki/Q129575562 Link