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