Know all about Peridotite and Icelandite properties here. All properties of rocks are important as they define the type of rock and its application. Peridotite and Icelandite belong to Igneous Rocks.Texture of Peridotite is Phaneritic whereas that of Icelandite is Aphanitic to Porphyritic. Peridotite appears Rough and Shiny and Icelandite appears Dull and Soft. The luster of Peridotite is shiny while that of Icelandite is vitreous. Peridotite is available in dark greenish - grey colors whereas Icelandite is available in bluish - grey, grey, pink, yellow colors. The commercial uses of Peridotite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds and that of Icelandite are cemetery markers, creating artwork.