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