Know all about Ganister and Flint properties here. All properties of rocks are important as they define the type of rock and its application. Ganister and Flint belong to Sedimentary Rocks.Texture of Ganister is Clastic, Granular, Rough whereas that of Flint is Banded, Rough. Ganister appears Rough and Flint appears Glassy or Pearly. The luster of Ganister is dull while that of Flint is vitreous. Ganister and Flint are available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. The commercial uses of Ganister are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones 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.