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