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