Know all about Tephrite and Essexite properties here. All properties of rocks are important as they define the type of rock and its application. Tephrite and Essexite belong to Igneous Rocks.Texture of Tephrite is Aphanitic to Porphyritic whereas that of Essexite is Granular. Tephrite appears Vesicular and Essexite appears Banded. The luster of Tephrite is subvitreous to dull while that of Essexite is not available. Tephrite is available in black, brown, colourless, green, grey, white colors whereas Essexite is available in dark grey to black colors. The commercial uses of Tephrite are production of lime, soil conditioner and that of Essexite are cemetery markers, commemorative tablets, jewelry, sea defence, tombstones.