Know all about Tephrite and Porphyry properties here. All properties of rocks are important as they define the type of rock and its application. Tephrite and Porphyry belong to Igneous Rocks.Texture of Tephrite is Aphanitic to Porphyritic whereas that of Porphyry is Porphyritic. Tephrite appears Vesicular and Porphyry appears Dull. The luster of Tephrite is subvitreous to dull while that of Porphyry is dull. Tephrite is available in black, brown, colourless, green, grey, white colors whereas Porphyry is available in black, brown, colourless, green, grey, red, rust, white colors. The commercial uses of Tephrite are production of lime, soil conditioner and that of Porphyry are creating artwork, gemstone, jewelry.