Citation: Fendrich, Kim V.; Downs, Robert T.; Origlieri, Marcus J. (2016). Redetermination of ruizite, Ca~2~Mn^3+^~2~[Si~4~O~11~(OH)~2~](OH)~2~·2H~2~O. Acta Crystallographica Section E, 72, pp. 959-963.
Formula: Ca2 H8 Mn2 O17 Si4
Chemical name:Dicalciumdimanganese(III) tetrasilicate tetrahydroxide dihydrate