Know all about Pumice and Gossan properties here. All properties of rocks are important as they define the type of rock and its application. Pumice belongs to Igneous Rocks while Gossan belongs to Metamorphic Rocks.Texture of Pumice is Vesicular whereas that of Gossan is Rough, Sandy. Pumice appears Vesicular and Gossan appears Dull and Banded. The luster of Pumice is earthy while that of Gossan is metallic. Pumice is available in beige, colourless, grey, light green, light grey, pink, white, yellow- grey colors whereas Gossan is available in brown, brown- black, gold, green, rust 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 Gossan are cemetery markers, commemorative tablets, gemstone.