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