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