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