Know all about Icelandite and Greenschist properties here. All properties of rocks are important as they define the type of rock and its application. Icelandite belongs to Igneous Rocks while Greenschist belongs to Metamorphic Rocks.Texture of Icelandite is Aphanitic to Porphyritic whereas that of Greenschist is Foliated, Platy. Icelandite appears Dull and Soft and Greenschist appears Layered and Shiny. The luster of Icelandite is vitreous while that of Greenschist is shiny. Icelandite is available in bluish - grey, grey, pink, yellow colors whereas Greenschist is available in dark greenish - grey, green colors. The commercial uses of Icelandite are cemetery markers, creating artwork and that of Greenschist are blackboards, manufacture of tools, writing slates.