Know all about Phyllite and Appinite properties here. All properties of rocks are important as they define the type of rock and its application. Phyllite belongs to Metamorphic Rocks while Appinite belongs to Igneous Rocks.Texture of Phyllite is Phyllitic Sheen, Slaty whereas that of Appinite is Porphyritic. Phyllite appears Crinkled or Wavy and Appinite appears Dull, Banded and Foilated. The luster of Phyllite is phyllitic while that of Appinite is subvitreous to dull. Phyllite is available in black to grey, light greenish grey colors whereas Appinite is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors. The commercial uses of Phyllite are cemetery markers, commemorative tablets, creating artwork, writing slates and that of Appinite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner.