Know all about Slate and Flint properties here. All properties of rocks are important as they define the type of rock and its application. Slate belongs to Metamorphic Rocks while Flint belongs to Sedimentary Rocks.Texture of Slate is Foliated whereas that of Flint is Banded, Rough. Slate appears Dull and Flint appears Glassy or Pearly. The luster of Slate is dull while that of Flint is vitreous. Slate is available in black, brown, buff, green, light to dark grey, purple, red, shades of blue colors whereas Flint is available in black, brown, green, grey, red, white colors. The commercial uses 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 and that of Flint are creating artwork, gemstone, in fire-starting tools, manufacture of tools, metallurgical flux, jewelry, to ignite fire, used in flintlock firearms.