Know all about Rhyolite and Variolite properties here. All properties of rocks are important as they define the type of rock and its application. Rhyolite and Variolite belong to Igneous Rocks.Texture of Rhyolite is Aphanitic, Glassy, Porphyritic whereas that of Variolite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Rhyolite appears Banded and Variolite appears Dull and Soft. The luster of Rhyolite is earthy while that of Variolite is not available. Rhyolite is available in grey, white, light black colors whereas Variolite is available in black, brown, light to dark grey colors. The commercial uses of Rhyolite are gemstone, laboratory bench tops, jewelry and that of Variolite are cemetery markers, creating artwork.