Know all about Metapelite and Marl properties here. All properties of rocks are important as they define the type of rock and its application. Metapelite belongs to Metamorphic Rocks while Marl belongs to Sedimentary Rocks.Texture of Metapelite is Foliated whereas that of Marl is Earthy. Metapelite appears Banded and Marl appears Rough and Dull. The luster of Metapelite is earthy while that of Marl is dull. Metapelite is available in dark greenish - grey, green, light green, light greenish grey colors whereas Marl is available in beige, brown, green, grey, white colors. The commercial uses of Metapelite are commemorative tablets, creating artwork and that of Marl are creating artwork, soil conditioner.