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