Know all about Pumice and Pseudotachylite properties here. All properties of rocks are important as they define the type of rock and its application. Pumice belongs to Igneous Rocks while Pseudotachylite belongs to Metamorphic Rocks.Texture of Pumice is Vesicular whereas that of Pseudotachylite is Quench. Pumice appears Vesicular and Pseudotachylite appears Dull and Soft. The luster of Pumice is earthy while that of Pseudotachylite is vitreous. Pumice is available in beige, colourless, grey, light green, light grey, pink, white, yellow- grey colors whereas Pseudotachylite is available in black, brown, colourless, green, grey, pink, white 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 Pseudotachylite are creating artwork, gemstone.