Know all about Phyllite and Tonalite properties here. All properties of rocks are important as they define the type of rock and its application. Phyllite belongs to Metamorphic Rocks while Tonalite belongs to Igneous Rocks.Texture of Phyllite is Phyllitic Sheen, Slaty whereas that of Tonalite is Phaneritic. Phyllite appears Crinkled or Wavy and Tonalite appears Banded and Foilated. The luster of Phyllite is phyllitic while that of Tonalite is subvitreous to dull. Phyllite is available in black to grey, light greenish grey colors whereas Tonalite is available in black, brown, light to dark grey, white colors. The commercial uses of Phyllite and Tonalite are cemetery markers, commemorative tablets, creating artwork, writing slates.