Know all about Chert and Blueschist properties here. All properties of rocks are important as they define the type of rock and its application. Chert belongs to Sedimentary Rocks while Blueschist belongs to Metamorphic Rocks.Texture of Chert is Banded, Rough whereas that of Blueschist is Foliated. Chert appears Glassy or Pearly and Blueschist appears Dull and Banded. The luster of Chert is waxy and dull while that of Blueschist is dull. Chert is available in black, brown, green, grey, red, white colors whereas Blueschist is available in blue, bluish - grey, purple, shades of blue colors. The commercial uses of Chert are creating artwork, gemstone, in fire-starting tools, jewelry, to ignite fire, used in flintlock firearms and that of Blueschist are cemetery markers, commemorative tablets, creating artwork, curling, tombstones.