Know all about Tonalite and Oil 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 Oil shale belongs to Sedimentary Rocks.Texture of Tonalite is Phaneritic whereas that of Oil shale is Splintery. Tonalite appears Banded and Foilated and Oil shale appears Muddy. The luster of Tonalite is subvitreous to dull while that of Oil shale is dull. Tonalite is available in black, brown, light to dark grey, white colors whereas Oil 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 Oil shale are an oil and gas reservoir.