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