Know all about Tonalite and Shale properties here. All properties of rocks are important as they define the type of rock and its application. Tonalite belongs to Igneous Rocks while Shale belongs to Sedimentary Rocks.Texture of Tonalite is Phaneritic whereas that of Shale is Clastic, Splintery. Tonalite appears Banded and Foilated and Shale appears Muddy. The luster of Tonalite is subvitreous to dull while that of Shale is dull. Tonalite is available in black, brown, light to dark grey, white colors whereas Shale is available in black, brown, buff, green, grey, red, yellow colors. The commercial uses of Tonalite are cemetery markers, creating artwork and that of Shale are creating artwork, pottery.