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