Know all about Icelandite and Skarn properties here. All properties of rocks are important as they define the type of rock and its application. Icelandite belongs to Igneous Rocks while Skarn belongs to Metamorphic Rocks.Texture of Icelandite is Aphanitic to Porphyritic whereas that of Skarn is Earthy, Mud-rich, Rough. Icelandite appears Dull and Soft and Skarn appears Dull. The luster of Icelandite is vitreous while that of Skarn is waxy and dull. Icelandite is available in bluish - grey, grey, pink, yellow colors whereas Skarn is available in black, brown, colourless, green, grey, white colors. The commercial uses of Icelandite are cemetery markers, creating artwork and that of Skarn are creating artwork, gemstone, jewelry, metallurgical flux, source of magnesia (mgo).