Know all about Greenschist and Hawaiite properties here. All properties of rocks are important as they define the type of rock and its application. Greenschist belongs to Metamorphic Rocks while Hawaiite belongs to Igneous Rocks.Texture of Greenschist is Foliated, Platy whereas that of Hawaiite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Greenschist appears Layered and Shiny and Hawaiite appears Dull and Soft. The luster of Greenschist is shiny while that of Hawaiite is not available. Greenschist is available in dark greenish - grey, green colors whereas Hawaiite is available in black, brown, light to dark grey colors. The commercial uses of Greenschist are blackboards, manufacture of tools, writing slates and that of Hawaiite are creating artwork, sea defence.