Know all about Troctolite and Oil shale properties here. All properties of rocks are important as they define the type of rock and its application. Troctolite belongs to Igneous Rocks while Oil shale belongs to Sedimentary Rocks.Texture of Troctolite is Phaneritic whereas that of Oil shale is Splintery. Troctolite appears Veined and Shiny and Oil shale appears Muddy. The luster of Troctolite is not available while that of Oil shale is dull. Troctolite 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 Troctolite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Oil shale are an oil and gas reservoir.