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