Know all about Tephrite and Diorite properties here. All properties of rocks are important as they define the type of rock and its application. Tephrite and Diorite belong to Igneous Rocks.Texture of Tephrite is Aphanitic to Porphyritic whereas that of Diorite is Phaneritic. Tephrite appears Vesicular and Diorite appears Shiny. The luster of Tephrite is subvitreous to dull while that of Diorite is shiny. Tephrite is available in black, brown, colourless, green, grey, white colors whereas Diorite 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 Diorite are creating artwork, curling.