Home / Explore / Minerals / Mikehowardite Minerals Mikehowardite mikehowardite Mikehowardite Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Mikehowardite is a mineral species. It crystallises in the triclinic system. Scientific references Mikehowardite — Wikidata. https://www.wikidata.org/wiki/Q105697730 Link