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