Know all about Slate and Greenschist properties here. All properties of rocks are important as they define the type of rock and its application. Slate and Greenschist belong to Metamorphic Rocks.Texture of Slate is Foliated whereas that of Greenschist is Foliated, Platy. Slate appears Dull and Greenschist appears Layered and Shiny. The luster of Slate is dull while that of Greenschist is shiny. Slate is available in black, brown, buff, green, light to dark grey, purple, red, shades of blue colors whereas Greenschist is available in dark greenish - grey, green colors. The commercial uses of Slate are blackboards, commemorative tablets, laboratory bench tops, standard material for the bed of billiard table, standard material for the beds of pool and snooker table, tombstones, used in aquariums, writing slates and that of Greenschist are blackboards, manufacture of tools, writing slates.