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