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