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