Know all about Hornfels and Rapakivi 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 Rapakivi Granite belongs to Igneous Rocks.Texture of Hornfels is Granular, Platy whereas that of Rapakivi Granite is Granular, Phaneritic. Hornfels appears Dull and Rapakivi Granite appears Veined or Pebbled. The luster of Hornfels is shiny while that of Rapakivi Granite is dull to grainy with sporadic parts pearly and vitreous. Hornfels is available in brown, dark greenish - grey, green, reddish brown colors whereas Rapakivi 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 Rapakivi Granite are cemetery markers, commemorative tablets, creating artwork, curling, laboratory bench tops, tombstones.