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