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