Know all about Theralite and Oil shale properties here. All properties of rocks are important as they define the type of rock and its application. Theralite belongs to Igneous Rocks while Oil shale belongs to Sedimentary Rocks.Texture of Theralite is Phaneritic whereas that of Oil shale is Splintery. Theralite appears Veined and Shiny and Oil shale appears Muddy. The luster of Theralite is waxy and dull while that of Oil shale is dull. Theralite is available in dark grey to black colors whereas Oil shale is available in black, brown, buff, green, grey, red, yellow colors. The commercial uses of Theralite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones and that of Oil shale are an oil and gas reservoir.