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