Know all about Variolite and Granite properties here. All properties of rocks are important as they define the type of rock and its application. Variolite and Granite belong to Igneous Rocks.Texture of Variolite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Granite is Granular, Phaneritic. Variolite appears Dull and Soft and Granite appears Veined or Pebbled. The luster of Variolite is not available while that of Granite is dull to grainy with sporadic parts pearly and vitreous. Variolite is available in black, brown, light to dark grey colors whereas Granite is available in black, grey, orange, pink, white colors. The commercial uses of Variolite are cemetery markers, creating artwork and that of Granite are curling, gemstone, laboratory bench tops, tombstones, used in aquariums.