Know all about Essexite and Siltstone properties here. All properties of rocks are important as they define the type of rock and its application. Essexite belongs to Igneous Rocks while Siltstone belongs to Sedimentary Rocks.Texture of Essexite is Granular whereas that of Siltstone is Clastic. Essexite appears Banded and Siltstone appears Rough. The luster of Essexite is not available while that of Siltstone is dull. Essexite is available in dark grey to black colors whereas Siltstone is available in brown, red, reddish brown colors. The commercial uses of Essexite are cemetery markers, commemorative tablets, jewelry, sea defence, tombstones and that of Siltstone are raw material for the manufacture of mortar, soil conditioner.