Know all about Icelandite and Pegmatite properties here. All properties of rocks are important as they define the type of rock and its application. Icelandite and Pegmatite belong to Igneous Rocks.Texture of Icelandite is Aphanitic to Porphyritic whereas that of Pegmatite is Pegmatitic. Icelandite appears Dull and Soft and Pegmatite appears Layered, Banded, Veined and Shiny. The luster of Icelandite is vitreous while that of Pegmatite is grainy, pearly and vitreous. Icelandite is available in bluish - grey, grey, pink, yellow colors whereas Pegmatite is available in black, brown, cream, green, grey, pink, red, rust, silver, white, yellow colors. The commercial uses of Icelandite are cemetery markers, creating artwork and that of Pegmatite are creating artwork, jewelry, source of corundum, tourmalines, beryls and topaz.