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