Know all about Icelandite and Ignimbrite properties here. All properties of rocks are important as they define the type of rock and its application. Icelandite and Ignimbrite belong to Igneous Rocks.Texture of Icelandite is Aphanitic to Porphyritic whereas that of Ignimbrite is Aphanitic. Icelandite appears Dull and Soft and Ignimbrite appears Dull, Vesicular and Foilated. The luster of Icelandite is vitreous while that of Ignimbrite is vitreous to dull. Icelandite is available in bluish - grey, grey, pink, yellow colors whereas Ignimbrite is available in beige, black, brown, grey, pink, white colors. The commercial uses of Icelandite are cemetery markers, creating artwork and that of Ignimbrite are cemetery markers, commemorative tablets, creating artwork.