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