Know all about Slate and Skarn properties here. All properties of rocks are important as they define the type of rock and its application. Slate and Skarn belong to Metamorphic Rocks.Texture of Slate is Foliated whereas that of Skarn is Earthy, Mud-rich, Rough. Slate appears Dull and Skarn appears Dull. The luster of Slate is dull while that of Skarn is waxy and dull. Slate is available in black, brown, buff, green, light to dark grey, purple, red, shades of blue colors whereas Skarn is available in black, brown, colourless, green, grey, white 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 Skarn are creating artwork, gemstone, jewelry, metallurgical flux, source of magnesia (mgo).