Category Sorosilicate Crystal system Monoclinic | Strunz classification 9.BG.15 Space group P21/m | |
Formula
(repeating unit) Mn2Al3(SiO4)(Si2O7)(OH)3 Crystal class Prismatic (2/m)
(same H-M symbol) | ||
Sursassite is a sorosilicate mineral. It was first discovered in 1926. It was first found in the Sursass (Oberhalbstein), a district of Graubünden, Switzerland. It is generally found in deposits of metamorphosed manganese.
References
Sursassite Wikipedia(Text) CC BY-SA