Know all about Flint and Slate properties here. All properties of rocks are important as they define the type of rock and its application. Flint belongs to Sedimentary Rocks while Slate belongs to Metamorphic Rocks.Texture of Flint is Banded, Rough whereas that of Slate is Foliated. Flint appears Glassy or Pearly and Slate appears Dull. The luster of Flint is vitreous while that of Slate is dull. Flint 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 Flint are creating artwork, gemstone, in fire-starting tools, manufacture of tools, metallurgical flux, 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.