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