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