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