Know all about Lamprophyre and Alkali Feldspar Granite properties here. All properties of rocks are important as they define the type of rock and its application. Lamprophyre and Alkali Feldspar Granite belong to Igneous Rocks.Texture of Lamprophyre is Porphyritic whereas that of Alkali Feldspar Granite is Phaneritic. Lamprophyre appears Dull, Banded and Foilated and Alkali Feldspar Granite appears Veined or Pebbled. The luster of Lamprophyre is subvitreous to dull while that of Alkali Feldspar Granite is dull to grainy with sporadic parts pearly and vitreous. Lamprophyre is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors whereas Alkali Feldspar Granite is available in black, grey, orange, pink, white colors. The commercial uses of Lamprophyre are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo) and that of Alkali Feldspar Granite are curling, gemstone, laboratory bench tops, tombstones.