Know all about Hornfels and Alkali Feldspar Granite properties here. All properties of rocks are important as they define the type of rock and its application. Hornfels belongs to Metamorphic Rocks while Alkali Feldspar Granite belongs to Igneous Rocks.Texture of Hornfels is Granular, Platy whereas that of Alkali Feldspar Granite is Phaneritic. Hornfels appears Dull and Alkali Feldspar Granite appears Veined or Pebbled. The luster of Hornfels is shiny while that of Alkali Feldspar Granite is dull to grainy with sporadic parts pearly and vitreous. Hornfels is available in brown, dark greenish - grey, green, reddish brown colors whereas Alkali Feldspar Granite is available in black, grey, orange, pink, white colors. The commercial uses of Hornfels are cemetery markers, commemorative tablets, creating artwork and that of Alkali Feldspar Granite are curling, gemstone, laboratory bench tops, tombstones.