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