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