Know all about Rhyolite and Tonalite properties here. All properties of rocks are important as they define the type of rock and its application. Rhyolite and Tonalite belong to Igneous Rocks.Texture of Rhyolite is Aphanitic, Glassy, Porphyritic whereas that of Tonalite is Phaneritic. Rhyolite appears Banded and Tonalite appears Banded and Foilated. The luster of Rhyolite is earthy while that of Tonalite is subvitreous to dull. Rhyolite is available in grey, white, light black colors whereas Tonalite is available in black, brown, light to dark grey, white colors. The commercial uses of Rhyolite are gemstone, laboratory bench tops, jewelry and that of Tonalite are cemetery markers, creating artwork.