Know all about Gossan and Marble properties here. All properties of rocks are important as they define the type of rock and its application. Gossan and Marble belong to Metamorphic Rocks.Texture of Gossan is Rough, Sandy whereas that of Marble is Granular. Gossan appears Dull and Banded and Marble appears Veined and Shiny. The luster of Gossan is metallic while that of Marble is dull to pearly to subvitreous. Gossan is available in brown, brown- black, gold, green, rust colors whereas Marble is available in black, blue, brown, grey, pink, white colors. The commercial uses of Gossan are cemetery markers, commemorative tablets, gemstone and that of Marble are cemetery markers, commemorative tablets, creating artwork, curling, laboratory bench tops, paper industry, tombstones, used in aquariums, whiting material in toothpaste, paint and paper.