Know all about Tephrite and Phonolite properties here. All properties of rocks are important as they define the type of rock and its application. Tephrite and Phonolite belong to Igneous Rocks.Texture of Tephrite is Aphanitic to Porphyritic whereas that of Phonolite is Granular. Tephrite appears Vesicular and Phonolite appears Banded and Foilated. The luster of Tephrite is subvitreous to dull while that of Phonolite is greasy to dull. Tephrite is available in black, brown, colourless, green, grey, white colors whereas Phonolite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Tephrite are production of lime, soil conditioner and that of Phonolite are cemetery markers, creating artwork.