Know all about Icelandite and Scoria properties here. All properties of rocks are important as they define the type of rock and its application. Icelandite and Scoria belong to Igneous Rocks.Texture of Icelandite is Aphanitic to Porphyritic whereas that of Scoria is Vesicular. Icelandite appears Dull and Soft and Scoria appears Glassy and Vesicular. The luster of Icelandite is vitreous while that of Scoria is subvitreous to dull. Icelandite is available in bluish - grey, grey, pink, yellow colors whereas Scoria is available in black, brown, dark grey to black, red colors. The commercial uses of Icelandite are cemetery markers, creating artwork and that of Scoria are as a traction material on snow-covered roads, creating artwork, high-temperature insulation, in gas barbecue grills.