Know all about Tonalite and Harzburgite properties here. All properties of rocks are important as they define the type of rock and its application. Tonalite and Harzburgite belong to Igneous Rocks.Texture of Tonalite is Phaneritic whereas that of Harzburgite is Phaneritic. Tonalite appears Banded and Foilated and Harzburgite appears Rough and Shiny. The luster of Tonalite is subvitreous to dull while that of Harzburgite is shiny. Tonalite is available in black, brown, light to dark grey, white colors whereas Harzburgite is available in dark greenish - grey colors. The commercial uses of Tonalite are cemetery markers, creating artwork and that of Harzburgite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.