Know all about Tephrite and Norite properties here. All properties of rocks are important as they define the type of rock and its application. Tephrite and Norite belong to Igneous Rocks.Texture of Tephrite is Aphanitic to Porphyritic whereas that of Norite is Phaneritic. Tephrite appears Vesicular and Norite appears Veined and Shiny. The luster of Tephrite is subvitreous to dull while that of Norite is not available. Tephrite is available in black, brown, colourless, green, grey, white colors whereas Norite is available in dark grey to black colors. The commercial uses of Tephrite are production of lime, soil conditioner and that of Norite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.