Know all about Marl and Essexite properties here. All properties of rocks are important as they define the type of rock and its application. Marl belongs to Sedimentary Rocks while Essexite belongs to Igneous Rocks.Texture of Marl is Earthy whereas that of Essexite is Granular. Marl appears Rough and Dull and Essexite appears Banded. The luster of Marl is dull while that of Essexite is not available. Marl is available in beige, brown, green, grey, white colors whereas Essexite is available in dark grey to black colors. The commercial uses of Marl are creating artwork, soil conditioner and that of Essexite are cemetery markers, commemorative tablets, jewelry, sea defence, tombstones.