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