Know all about Granodiorite and Syenite properties here. All properties of rocks are important as they define the type of rock and its application. Granodiorite and Syenite belong to Igneous Rocks.Texture of Granodiorite is Granular, Phaneritic whereas that of Syenite is Earthy. Granodiorite appears Veined or Pebbled and Syenite appears Banded and Foilated. The luster of Granodiorite is grainy, pearly and vitreous while that of Syenite is subvitreous to dull. Granodiorite is available in black, grey, orange, pink, white colors whereas Syenite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Granodiorite are curling, gemstone, laboratory bench tops, tombstones and that of Syenite are cemetery markers, creating artwork.