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