Know all about Rhyodacite and Granite properties here. All properties of rocks are important as they define the type of rock and its application. Rhyodacite and Granite belong to Igneous Rocks.Texture of Rhyodacite is Earthy whereas that of Granite is Granular, Phaneritic. Rhyodacite appears Skeletal and Granite appears Veined or Pebbled. The luster of Rhyodacite is greasy to dull while that of Granite is dull to grainy with sporadic parts pearly and vitreous. Rhyodacite is available in black to grey, dark greenish - grey colors whereas Granite is available in black, grey, orange, pink, white colors. The commercial uses of Rhyodacite are cemetery markers, creating artwork and that of Granite are curling, gemstone, laboratory bench tops, tombstones, used in aquariums.