Know all about Icelandite and Mugearite properties here. All properties of rocks are important as they define the type of rock and its application. Icelandite and Mugearite belong to Igneous Rocks.Texture of Icelandite is Aphanitic to Porphyritic whereas that of Mugearite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Icelandite appears Dull and Soft and Mugearite appears Dull and Soft. The luster of Icelandite is vitreous while that of Mugearite is not available. Icelandite is available in bluish - grey, grey, pink, yellow colors whereas Mugearite is available in black, brown, light to dark grey colors. The commercial uses of Icelandite and Mugearite are cemetery markers, creating artwork.