Know all about Rapakivi Granite and Shale properties here. All properties of rocks are important as they define the type of rock and its application. Rapakivi Granite belongs to Igneous Rocks while Shale belongs to Sedimentary Rocks.Texture of Rapakivi Granite is Granular, Phaneritic whereas that of Shale is Clastic, Splintery. Rapakivi Granite appears Veined or Pebbled and Shale appears Muddy. The luster of Rapakivi Granite is dull to grainy with sporadic parts pearly and vitreous while that of Shale is dull. Rapakivi Granite is available in black, grey, orange, pink, white colors whereas Shale is available in black, brown, buff, green, grey, red, yellow colors. The commercial uses of Rapakivi Granite are cemetery markers, commemorative tablets, creating artwork, curling, laboratory bench tops, tombstones and that of Shale are creating artwork, pottery.