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