Know all about Icelandite and Breccia properties here. All properties of rocks are important as they define the type of rock and its application. Icelandite belongs to Igneous Rocks while Breccia belongs to Sedimentary Rocks.Texture of Icelandite is Aphanitic to Porphyritic whereas that of Breccia is Brecciated, Clastic. Icelandite appears Dull and Soft and Breccia appears Layered, Banded, Veined and Shiny. The luster of Icelandite is vitreous while that of Breccia is dull to pearly. Icelandite is available in bluish - grey, grey, pink, yellow colors whereas Breccia is available in beige, black, blue, brown, buff, green, grey, orange, pink, purple, red, rust, white, yellow colors. The commercial uses of Icelandite are cemetery markers, creating artwork and that of Breccia are creating artwork, gemstone, jewelry.