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