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