Know all about Icelandite and Anorthosite properties here. All properties of rocks are important as they define the type of rock and its application. Icelandite and Anorthosite belong to Igneous Rocks.Texture of Icelandite is Aphanitic to Porphyritic whereas that of Anorthosite is Foliated, Glassy. Icelandite appears Dull and Soft and Anorthosite appears Layered, Banded, Veined and Shiny. The luster of Icelandite is vitreous while that of Anorthosite is pearly to subvitreous. Icelandite is available in bluish - grey, grey, pink, yellow colors whereas Anorthosite is available in black, bluish - grey, brown, green, grey, light greenish grey, pink, white colors. The commercial uses of Icelandite are cemetery markers, creating artwork and that of Anorthosite are creating artwork, curling.