Know all about Essexite and Ganister properties here. All properties of rocks are important as they define the type of rock and its application. Essexite belongs to Igneous Rocks while Ganister belongs to Sedimentary Rocks.Texture of Essexite is Granular whereas that of Ganister is Clastic, Granular, Rough. Essexite appears Banded and Ganister appears Rough. The luster of Essexite is not available while that of Ganister is dull. Essexite is available in dark grey to black colors whereas Ganister is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. The commercial uses of Essexite are cemetery markers, commemorative tablets, jewelry, sea defence, tombstones and that of Ganister are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones.