Minerals
Turtmannite
turtmannite
(Mn,Mg)22.5Mg3-3x((V5+,As5+)O4)3(As³⁺O3)x(SiO4)3O5-5x(OH)20+x
Turtmannite Mineral Specimen For Sale — via www.dakotamatrix.com · Source
Overview
Mineral species listed in Wikidata (mineral species). Properties beyond the name/formula require verification from primary mineralogical sources.