Know all about Rhyolite and Hornfels properties here. All properties of rocks are important as they define the type of rock and its application. Rhyolite belongs to Igneous Rocks while Hornfels belongs to Metamorphic Rocks.Texture of Rhyolite is Aphanitic, Glassy, Porphyritic whereas that of Hornfels is Granular, Platy. Rhyolite appears Banded and Hornfels appears Dull. The luster of Rhyolite is earthy while that of Hornfels is shiny. Rhyolite is available in grey, white, light black colors whereas Hornfels is available in brown, dark greenish - grey, green, reddish brown colors. The commercial uses of Rhyolite are gemstone, laboratory bench tops, jewelry and that of Hornfels are cemetery markers, commemorative tablets, creating artwork.