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