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