Know all about Ganister and Greenschist properties here. All properties of rocks are important as they define the type of rock and its application. Ganister belongs to Sedimentary Rocks while Greenschist belongs to Metamorphic Rocks.Texture of Ganister is Clastic, Granular, Rough whereas that of Greenschist is Foliated, Platy. Ganister appears Rough and Greenschist appears Layered and Shiny. The luster of Ganister is dull while that of Greenschist is shiny. Ganister is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors whereas Greenschist is available in dark greenish - grey, green colors. The commercial uses of Ganister are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones and that of Greenschist are blackboards, manufacture of tools, writing slates.