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