Know all about Claystone and Alkali Feldspar Granite properties here. All properties of rocks are important as they define the type of rock and its application. Claystone belongs to Sedimentary Rocks while Alkali Feldspar Granite belongs to Igneous Rocks.Texture of Claystone is Clastic whereas that of Alkali Feldspar Granite is Phaneritic. Claystone appears Rough and Dull and Alkali Feldspar Granite appears Veined or Pebbled. The luster of Claystone is dull while that of Alkali Feldspar Granite is dull to grainy with sporadic parts pearly and vitreous. Claystone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Alkali Feldspar Granite is available in black, grey, orange, pink, white colors. The commercial uses of Claystone are pottery and that of Alkali Feldspar Granite are curling, gemstone, laboratory bench tops, tombstones.