Know all about Rhyodacite and Granulite properties here. All properties of rocks are important as they define the type of rock and its application. Rhyodacite belongs to Igneous Rocks while Granulite belongs to Metamorphic Rocks.Texture of Rhyodacite is Earthy whereas that of Granulite is Granoblastic. Rhyodacite appears Skeletal and Granulite appears Veined or Pebbled. The luster of Rhyodacite is greasy to dull while that of Granulite is vitreous. Rhyodacite is available in black to grey, dark greenish - grey colors whereas Granulite is available in black, brown colors. The commercial uses of Rhyodacite are cemetery markers, creating artwork and that of Granulite are curling, gemstone, laboratory bench tops, soil conditioner, tombstones.