Know all about Alkali Feldspar Granite and Gossan 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 Gossan belongs to Metamorphic Rocks.Texture of Alkali Feldspar Granite is Phaneritic whereas that of Gossan is Rough, Sandy. Alkali Feldspar Granite appears Veined or Pebbled and Gossan appears Dull and Banded. The luster of Alkali Feldspar Granite is dull to grainy with sporadic parts pearly and vitreous while that of Gossan is metallic. Alkali Feldspar Granite is available in black, grey, orange, pink, white colors whereas Gossan is available in brown, brown- black, gold, green, rust colors. The commercial uses of Alkali Feldspar Granite are curling, gemstone, laboratory bench tops, tombstones and that of Gossan are cemetery markers, commemorative tablets, gemstone.