Know all about Granophyre and Chert properties here. All properties of rocks are important as they define the type of rock and its application. Granophyre belongs to Igneous Rocks while Chert belongs to Sedimentary Rocks.Texture of Granophyre is Granophyric whereas that of Chert is Banded, Rough. Granophyre appears Veined or Pebbled and Chert appears Glassy or Pearly. The luster of Granophyre is dull to grainy with sporadic parts pearly and vitreous while that of Chert is waxy and dull. Granophyre is available in black, grey, orange, pink, white colors whereas Chert is available in black, brown, green, grey, red, white colors. The commercial uses of Granophyre are curling, gemstone, laboratory bench tops, tombstones and that of Chert are creating artwork, gemstone, in fire-starting tools, jewelry, to ignite fire, used in flintlock firearms.