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