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