Know all about Ignimbrite and Alkali Feldspar Granite properties here. All properties of rocks are important as they define the type of rock and its application. Ignimbrite and Alkali Feldspar Granite belong to Igneous Rocks.Texture of Ignimbrite is Aphanitic whereas that of Alkali Feldspar Granite is Phaneritic. Ignimbrite appears Dull, Vesicular and Foilated and Alkali Feldspar Granite appears Veined or Pebbled. The luster of Ignimbrite is vitreous to dull while that of Alkali Feldspar Granite is dull to grainy with sporadic parts pearly and vitreous. Ignimbrite is available in beige, black, brown, grey, pink, white colors whereas Alkali Feldspar Granite is available in black, grey, orange, pink, white colors. The commercial uses of Ignimbrite are cemetery markers, commemorative tablets, creating artwork and that of Alkali Feldspar Granite are curling, gemstone, laboratory bench tops, tombstones.