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