Know all about Flint and Hornblendite properties here. All properties of rocks are important as they define the type of rock and its application. Flint belongs to Sedimentary Rocks while Hornblendite belongs to Igneous Rocks.Texture of Flint is Banded, Rough whereas that of Hornblendite is Banded, Foliated, Massive. Flint appears Glassy or Pearly and Hornblendite appears Foliated. The luster of Flint is vitreous while that of Hornblendite is vitreous to dull. Flint and Hornblendite are available in black, brown, green, grey, red, white 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 Hornblendite are cemetery markers, commemorative tablets, creating artwork.