Know all about Chert and Hyaloclastite properties here. All properties of rocks are important as they define the type of rock and its application. Chert belongs to Sedimentary Rocks while Hyaloclastite belongs to Igneous Rocks.Texture of Chert is Banded, Rough whereas that of Hyaloclastite is Pyroclastic. Chert appears Glassy or Pearly and Hyaloclastite appears Dull. The luster of Chert is waxy and dull while that of Hyaloclastite is dull and grainy. Chert is available in black, brown, green, grey, red, white colors whereas Hyaloclastite is available in brown, grey, yellow colors. The commercial uses of Chert are creating artwork, gemstone, in fire-starting tools, jewelry, to ignite fire, used in flintlock firearms and that of Hyaloclastite are cemetery markers, creating artwork.