Know all about Greenschist and Chert properties here. All properties of rocks are important as they define the type of rock and its application. Greenschist belongs to Metamorphic Rocks while Chert belongs to Sedimentary Rocks.Texture of Greenschist is Foliated, Platy whereas that of Chert is Banded, Rough. Greenschist appears Layered and Shiny and Chert appears Glassy or Pearly. The luster of Greenschist is shiny while that of Chert is waxy and dull. Greenschist is available in dark greenish - grey, green colors whereas Chert is available in black, brown, green, grey, red, white colors. The commercial uses of Greenschist are blackboards, manufacture of tools, writing slates and that of Chert are creating artwork, gemstone, in fire-starting tools, jewelry, to ignite fire, used in flintlock firearms.