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