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