Know all about Hornfels and Lamprophyre properties here. All properties of rocks are important as they define the type of rock and its application. Hornfels belongs to Metamorphic Rocks while Lamprophyre belongs to Igneous Rocks.Texture of Hornfels is Granular, Platy whereas that of Lamprophyre is Porphyritic. Hornfels appears Dull and Lamprophyre appears Dull, Banded and Foilated. The luster of Hornfels is shiny while that of Lamprophyre is subvitreous to dull. Hornfels is available in brown, dark greenish - grey, green, reddish brown colors whereas Lamprophyre is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors. The commercial uses of Hornfels are cemetery markers, commemorative tablets, creating artwork and that of Lamprophyre are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo).