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