Know all about Troctolite and Chert properties here. All properties of rocks are important as they define the type of rock and its application. Troctolite belongs to Igneous Rocks while Chert belongs to Sedimentary Rocks.Texture of Troctolite is Phaneritic whereas that of Chert is Banded, Rough. Troctolite appears Veined and Shiny and Chert appears Glassy or Pearly. The luster of Troctolite is not available while that of Chert is waxy and dull. Troctolite is available in dark grey to black colors whereas Chert is available in black, brown, green, grey, red, white colors. The commercial uses of Troctolite are cemetery markers, commemorative tablets, 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.