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