Know all about Hornfels and Andesite properties here. All properties of rocks are important as they define the type of rock and its application. Hornfels belongs to Metamorphic Rocks while Andesite belongs to Igneous Rocks.Texture of Hornfels is Granular, Platy whereas that of Andesite is Aphanitic to Porphyritic. Hornfels appears Dull and Andesite appears Dull and Soft. The luster of Hornfels is shiny while that of Andesite is vitreous. Hornfels is available in brown, dark greenish - grey, green, reddish brown colors whereas Andesite is available in bluish - grey, grey, pink, yellow colors. The commercial uses of Hornfels and Andesite are cemetery markers, commemorative tablets, creating artwork.