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