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