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