Know all about Essexite and Theralite properties here. All properties of rocks are important as they define the type of rock and its application. Essexite and Theralite belong to Igneous Rocks.Texture of Essexite is Granular whereas that of Theralite is Phaneritic. Essexite appears Banded and Theralite appears Veined and Shiny. The luster of Essexite is not available while that of Theralite is waxy and dull. Essexite and Theralite are available in dark grey to black colors. The commercial uses of Essexite are cemetery markers, commemorative tablets, jewelry, sea defence, tombstones and that of Theralite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones.