Know all about Basaltic Trachyandesite and Chert properties here. All properties of rocks are important as they define the type of rock and its application. Basaltic Trachyandesite belongs to Igneous Rocks while Chert belongs to Sedimentary Rocks.Texture of Basaltic Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Chert is Banded, Rough. Basaltic Trachyandesite appears Dull and Soft and Chert appears Glassy or Pearly. The luster of Basaltic Trachyandesite is not available while that of Chert is waxy and dull. Basaltic Trachyandesite is available in black, brown, light to dark grey colors whereas Chert is available in black, brown, green, grey, red, white colors. The commercial uses of Basaltic Trachyandesite are an oil and gas reservoir, commemorative tablets, creating artwork and that of Chert are creating artwork, gemstone, in fire-starting tools, jewelry, to ignite fire, used in flintlock firearms.