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