Know all about Pumice and Obsidian properties here. All properties of rocks are important as they define the type of rock and its application. Pumice and Obsidian belong to Igneous Rocks.Texture of Pumice is Vesicular whereas that of Obsidian is Glassy. Pumice appears Vesicular and Obsidian appears Shiny. The luster of Pumice is earthy while that of Obsidian is vitreous. Pumice is available in beige, colourless, grey, light green, light grey, pink, white, yellow- grey colors whereas Obsidian is available in black, blue, brown, green, orange, red, tan, yellow 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 Obsidian are creating artwork, mirror, used in aquariums.