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