Know all about Alkali Feldspar Granite and Rhyolite properties here. All properties of rocks are important as they define the type of rock and its application. Alkali Feldspar Granite and Rhyolite belong to Igneous Rocks.Texture of Alkali Feldspar Granite is Phaneritic whereas that of Rhyolite is Aphanitic, Glassy, Porphyritic. Alkali Feldspar Granite appears Veined or Pebbled and Rhyolite appears Banded. The luster of Alkali Feldspar Granite is dull to grainy with sporadic parts pearly and vitreous while that of Rhyolite is earthy. Alkali Feldspar Granite is available in black, grey, orange, pink, white colors whereas Rhyolite is available in grey, white, light black colors. The commercial uses of Alkali Feldspar Granite are curling, gemstone, laboratory bench tops, tombstones and that of Rhyolite are gemstone, laboratory bench tops, jewelry.