Know all about Pumice and Variolite properties here. All properties of rocks are important as they define the type of rock and its application. Pumice and Variolite belong to Igneous Rocks.Texture of Pumice is Vesicular whereas that of Variolite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Pumice appears Vesicular and Variolite appears Dull and Soft. The luster of Pumice is earthy while that of Variolite is not available. Pumice is available in beige, colourless, grey, light green, light grey, pink, white, yellow- grey colors whereas Variolite is available in black, brown, light to dark grey colors. The commercial uses 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 and that of Variolite are cemetery markers, creating artwork.