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