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