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