Know all about Pumice and Tachylite properties here. All properties of rocks are important as they define the type of rock and its application. Pumice and Tachylite belong to Igneous Rocks.Texture of Pumice is Vesicular whereas that of Tachylite is Vitreous. Pumice appears Vesicular and Tachylite appears Glassy. The luster of Pumice is earthy while that of Tachylite is resinous. Pumice is available in beige, colourless, grey, light green, light grey, pink, white, yellow- grey colors whereas Tachylite is available in black, dark brown 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 Tachylite are cemetery markers, creating artwork.