Know all about Quartzite and Flint properties here. All properties of rocks are important as they define the type of rock and its application. Quartzite belongs to Metamorphic Rocks while Flint belongs to Sedimentary Rocks.Texture of Quartzite is Foliated, Granular whereas that of Flint is Banded, Rough. Quartzite appears Lustrous and Flint appears Glassy or Pearly. The luster of Quartzite and Flint is vitreous. Quartzite is available in black, blue, brown, green, light grey, purple, white, yellow colors whereas Flint is available in black, brown, green, grey, red, white colors. The commercial uses of Quartzite are an oil and gas reservoir, as armour rock for sea walls, cemetery markers, commemorative tablets, in aquifers, laboratory bench tops, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones, used in aquariums 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.