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