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