Know all about Trachyandesite and Granodiorite properties here. All properties of rocks are important as they define the type of rock and its application. Trachyandesite and Granodiorite belong to Igneous Rocks.Texture of Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Granodiorite is Granular, Phaneritic. Trachyandesite appears Dull and Soft and Granodiorite appears Veined or Pebbled. The luster of Trachyandesite is earthy while that of Granodiorite is grainy, pearly and vitreous. Trachyandesite is available in black, brown, light to dark grey colors whereas Granodiorite is available in black, grey, orange, pink, white colors. The commercial uses of Trachyandesite are creating artwork, pottery and that of Granodiorite are curling, gemstone, laboratory bench tops, tombstones.