Know all about Felsite and Oil shale properties here. All properties of rocks are important as they define the type of rock and its application. Felsite belongs to Igneous Rocks while Oil shale belongs to Sedimentary Rocks.Texture of Felsite is Arborescent Patterned, Vitreous whereas that of Oil shale is Splintery. Felsite appears Layered, Banded, Veined and Shiny and Oil shale appears Muddy. The luster of Felsite is vitreous while that of Oil shale is dull. Felsite is available in black, blue, brown, green, orange, red, tan, yellow colors whereas Oil shale is available in black, brown, buff, green, grey, red, yellow colors. The commercial uses of Felsite are mirror, jewelry and that of Oil shale are an oil and gas reservoir.