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