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