Know all about Diorite and Rhyodacite properties here. All properties of rocks are important as they define the type of rock and its application. Diorite and Rhyodacite belong to Igneous Rocks.Texture of Diorite is Phaneritic whereas that of Rhyodacite is Earthy. Diorite appears Shiny and Rhyodacite appears Skeletal. The luster of Diorite is shiny while that of Rhyodacite is greasy to dull. Diorite is available in black, brown, light to dark grey, white colors whereas Rhyodacite is available in black to grey, dark greenish - grey colors. The commercial uses of Diorite are creating artwork, curling and that of Rhyodacite are cemetery markers, creating artwork.