Know all about Teschenite and Chert properties here. All properties of rocks are important as they define the type of rock and its application. Teschenite belongs to Igneous Rocks while Chert belongs to Sedimentary Rocks.Texture of Teschenite is Phaneritic whereas that of Chert is Banded, Rough. Teschenite appears Veined and Shiny and Chert appears Glassy or Pearly. The luster of Teschenite is not available while that of Chert is waxy and dull. Teschenite is available in dark grey to black colors whereas Chert is available in black, brown, green, grey, red, white colors. The commercial uses of Teschenite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones and that of Chert are creating artwork, gemstone, in fire-starting tools, jewelry, to ignite fire, used in flintlock firearms.