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