Know all about Essexite and Phonolite properties here. All properties of rocks are important as they define the type of rock and its application. Essexite and Phonolite belong to Igneous Rocks.Texture of Essexite is Granular whereas that of Phonolite is Granular. Essexite appears Banded and Phonolite appears Banded and Foilated. The luster of Essexite is not available while that of Phonolite is greasy to dull. Essexite is available in dark grey to black colors whereas Phonolite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Essexite are cemetery markers, commemorative tablets, jewelry, sea defence, tombstones and that of Phonolite are cemetery markers, creating artwork.