Know all about Appinite and Essexite properties here. All properties of rocks are important as they define the type of rock and its application. Appinite and Essexite belong to Igneous Rocks.Texture of Appinite is Porphyritic whereas that of Essexite is Granular. Appinite appears Dull, Banded and Foilated and Essexite appears Banded. The luster of Appinite is subvitreous to dull while that of Essexite is not available. Appinite 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 Appinite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner and that of Essexite are cemetery markers, commemorative tablets, jewelry, sea defence, tombstones.