Know all about Chert and Slate properties here. All properties of rocks are important as they define the type of rock and its application. Chert belongs to Sedimentary Rocks while Slate belongs to Metamorphic Rocks.Texture of Chert is Banded, Rough whereas that of Slate is Foliated. Chert appears Glassy or Pearly and Slate appears Dull. The luster of Chert is waxy and dull while that of Slate is dull. Chert is available in black, brown, green, grey, red, white colors whereas Slate is available in black, brown, buff, green, light to dark grey, purple, red, 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 Slate are blackboards, commemorative tablets, laboratory bench tops, standard material for the bed of billiard table, standard material for the beds of pool and snooker table, tombstones, used in aquariums, writing slates.