Know all about Diorite and Variolite properties here. All properties of rocks are important as they define the type of rock and its application. Diorite and Variolite belong to Igneous Rocks.Texture of Diorite is Phaneritic whereas that of Variolite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Diorite appears Shiny and Variolite appears Dull and Soft. The luster of Diorite is shiny while that of Variolite is not available. Diorite and Variolite are available in black, brown, light to dark grey, white colors. The commercial uses of Diorite are creating artwork, curling and that of Variolite are cemetery markers, creating artwork.