Know all about Ganister and Rapakivi Granite properties here. All properties of rocks are important as they define the type of rock and its application. Ganister belongs to Sedimentary Rocks while Rapakivi Granite belongs to Igneous Rocks.Texture of Ganister is Clastic, Granular, Rough whereas that of Rapakivi Granite is Granular, Phaneritic. Ganister appears Rough and Rapakivi Granite appears Veined or Pebbled. The luster of Ganister is dull while that of Rapakivi Granite is dull to grainy with sporadic parts pearly and vitreous. Ganister is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors whereas Rapakivi Granite is available in black, grey, orange, pink, white colors. The commercial uses of Ganister are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones and that of Rapakivi Granite are cemetery markers, commemorative tablets, creating artwork, curling, laboratory bench tops, tombstones.