Know all about Greenschist and Porphyry properties here. All properties of rocks are important as they define the type of rock and its application. Greenschist belongs to Metamorphic Rocks while Porphyry belongs to Igneous Rocks.Texture of Greenschist is Foliated, Platy whereas that of Porphyry is Porphyritic. Greenschist appears Layered and Shiny and Porphyry appears Dull. The luster of Greenschist is shiny while that of Porphyry is dull. Greenschist is available in dark greenish - grey, green colors whereas Porphyry is available in black, brown, colourless, green, grey, red, rust, white colors. The commercial uses of Greenschist are blackboards, manufacture of tools, writing slates and that of Porphyry are creating artwork, gemstone, jewelry.