Know all about Granulite and Oil shale properties here. All properties of rocks are important as they define the type of rock and its application. Granulite belongs to Metamorphic Rocks while Oil shale belongs to Sedimentary Rocks.Texture of Granulite is Granoblastic whereas that of Oil shale is Splintery. Granulite appears Veined or Pebbled and Oil shale appears Muddy. The luster of Granulite is vitreous while that of Oil shale is dull. Granulite is available in black, brown colors whereas Oil shale is available in black, brown, buff, green, grey, red, yellow colors. The commercial uses of Granulite are curling, gemstone, laboratory bench tops, soil conditioner, tombstones and that of Oil shale are an oil and gas reservoir.