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