Know all about Tonalite and Trachyandesite properties here. All properties of rocks are important as they define the type of rock and its application. Tonalite and Trachyandesite belong to Igneous Rocks.Texture of Tonalite is Phaneritic whereas that of Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Tonalite appears Banded and Foilated and Trachyandesite appears Dull and Soft. The luster of Tonalite is subvitreous to dull while that of Trachyandesite is earthy. Tonalite and Trachyandesite are available in black, brown, light to dark grey, white colors. The commercial uses of Tonalite are cemetery markers, creating artwork and that of Trachyandesite are creating artwork, pottery.