Know all about Shoshonite and Marl properties here. All properties of rocks are important as they define the type of rock and its application. Shoshonite belongs to Igneous Rocks while Marl belongs to Sedimentary Rocks.Texture of Shoshonite is Porphyritic whereas that of Marl is Earthy. Shoshonite appears Dull and Marl appears Rough and Dull. The luster of Shoshonite and Marl is dull. Shoshonite is available in brown- black, dark brown colors whereas Marl is available in beige, brown, green, grey, white colors. The commercial uses of Shoshonite are cemetery markers, creating artwork and that of Marl are creating artwork, soil conditioner.