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