Know all about Shale and Dacite properties here. All properties of rocks are important as they define the type of rock and its application. Shale belongs to Sedimentary Rocks while Dacite belongs to Igneous Rocks.Texture of Shale is Clastic, Splintery whereas that of Dacite is Aphanitic to Porphyritic. Shale appears Muddy and Dacite appears Vesicular. The luster of Shale is dull while that of Dacite is subvitreous to dull. Shale is available in black, brown, buff, green, grey, red, yellow colors whereas Dacite is available in bluish - grey, brown, grey, light to dark grey colors. The commercial uses of Shale are creating artwork, pottery and that of Dacite are commemorative tablets, creating artwork.