Sursassite is a

sorosilicate Silicate minerals are rock-forming minerals made up of silicate groups. They are the largest and most important class of minerals and make up approximately 90 percent of Earth's crust. In mineralogy, silica (silicon dioxide, ) is usually con ...

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 Manganese is a chemical element with the symbol Mn and atomic number 25. It is a hard, brittle, silvery metal, often found in minerals in combination with iron. Manganese is a transition metal with a multifaceted array of industrial alloy use ...

Notes

Sorosilicates Monoclinic minerals Minerals in space group 11 {{silicate-mineral-stub