Know all about Rhyolite and Essexite properties here. All properties of rocks are important as they define the type of rock and its application. Rhyolite and Essexite belong to Igneous Rocks.Texture of Rhyolite is Aphanitic, Glassy, Porphyritic whereas that of Essexite is Granular. Rhyolite appears Banded and Essexite appears Banded. The luster of Rhyolite is earthy while that of Essexite is not available. Rhyolite is available in grey, white, light black colors whereas Essexite is available in dark grey to black colors. The commercial uses of Rhyolite are gemstone, laboratory bench tops, jewelry and that of Essexite are cemetery markers, commemorative tablets, jewelry, sea defence, tombstones.