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