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