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