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