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