Know all about Essexite and Sovite properties here. All properties of rocks are important as they define the type of rock and its application. Essexite and Sovite belong to Igneous Rocks.Texture of Essexite is Granular whereas that of Sovite is Granular, Poikiloblastic. Essexite appears Banded and Sovite appears Dull, Banded and Foilated. The luster of Essexite is not available while that of Sovite is subvitreous to dull. Essexite is available in dark grey to black colors whereas Sovite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Essexite are cemetery markers, commemorative tablets, jewelry, sea defence, tombstones and that of Sovite are an oil and gas reservoir, as a feed additive for livestock, creating artwork, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo).