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