Know all about Skarn and Trachyte properties here. All properties of rocks are important as they define the type of rock and its application. Skarn belongs to Metamorphic Rocks while Trachyte belongs to Igneous Rocks.Texture of Skarn is Earthy, Mud-rich, Rough whereas that of Trachyte is Aphanitic to Porphyritic. Skarn appears Dull and Trachyte appears Banded. The luster of Skarn is waxy and dull while that of Trachyte is metallic. Skarn is available in black, brown, colourless, green, grey, white colors whereas Trachyte is available in black, brown, dark greenish - grey, green, grey, light to dark grey, white colors. The commercial uses of Skarn are creating artwork, gemstone, jewelry, metallurgical flux, source of magnesia (mgo) and that of Trachyte are cemetery markers, creating artwork.