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