Know all about Andesite and Flint properties here. All properties of rocks are important as they define the type of rock and its application. Andesite belongs to Igneous Rocks while Flint belongs to Sedimentary Rocks.Texture of Andesite is Aphanitic to Porphyritic whereas that of Flint is Banded, Rough. Andesite appears Dull and Soft and Flint appears Glassy or Pearly. The luster of Andesite and Flint is vitreous. Andesite is available in bluish - grey, grey, pink, yellow colors whereas Flint is available in black, brown, green, grey, red, white colors. The commercial uses of Andesite are commemorative tablets, creating artwork 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.