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