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