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