Know all about Variolite and Pumice properties here. All properties of rocks are important as they define the type of rock and its application. Variolite and Pumice belong to Igneous Rocks.Texture of Variolite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Pumice is Vesicular. Variolite appears Dull and Soft and Pumice appears Vesicular. The luster of Variolite is not available while that of Pumice is earthy. Variolite is available in black, brown, light to dark grey colors whereas Pumice is available in beige, colourless, grey, light green, light grey, pink, white, yellow- grey colors. The commercial uses of Variolite are cemetery markers, creating artwork and that of Pumice are as a traction material on snow-covered roads, as an abrasive in pencil erasers, fine abrasive used for polishing, manufacture of soap, solvents, dyes, plastics and fibres, used in aquariums.