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