Know all about Ganister and Skarn properties here. All properties of rocks are important as they define the type of rock and its application. Ganister belongs to Sedimentary Rocks while Skarn belongs to Metamorphic Rocks.Texture of Ganister is Clastic, Granular, Rough whereas that of Skarn is Earthy, Mud-rich, Rough. Ganister appears Rough and Skarn appears Dull. The luster of Ganister is dull while that of Skarn is waxy and dull. Ganister and Skarn are available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow 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 Skarn are creating artwork, gemstone, jewelry, metallurgical flux, source of magnesia (mgo).