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