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