Know all about Granulite and Chert properties here. All properties of rocks are important as they define the type of rock and its application. Granulite belongs to Metamorphic Rocks while Chert belongs to Sedimentary Rocks.Texture of Granulite is Granoblastic whereas that of Chert is Banded, Rough. Granulite appears Veined or Pebbled and Chert appears Glassy or Pearly. The luster of Granulite is vitreous while that of Chert is waxy and dull. Granulite is available in black, brown colors whereas Chert is available in black, brown, green, grey, red, white colors. The commercial uses of Granulite are curling, gemstone, laboratory bench tops, soil conditioner, tombstones and that of Chert are creating artwork, gemstone, in fire-starting tools, jewelry, to ignite fire, used in flintlock firearms.