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