Know all about Rapakivi Granite and Scoria properties here. All properties of rocks are important as they define the type of rock and its application. Rapakivi Granite and Scoria belong to Igneous Rocks.Texture of Rapakivi Granite is Granular, Phaneritic whereas that of Scoria is Vesicular. Rapakivi Granite appears Veined or Pebbled and Scoria appears Glassy and Vesicular. The luster of Rapakivi Granite is dull to grainy with sporadic parts pearly and vitreous while that of Scoria is subvitreous to dull. Rapakivi Granite is available in black, grey, orange, pink, white colors whereas Scoria is available in black, brown, dark grey to black, red colors. The commercial uses of Rapakivi Granite are cemetery markers, commemorative tablets, creating artwork, curling, laboratory bench tops, tombstones and that of Scoria are as a traction material on snow-covered roads, creating artwork, high-temperature insulation, in gas barbecue grills.