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