Know all about Rhomb Porphyry and Tephrite properties here. All properties of rocks are important as they define the type of rock and its application. Rhomb Porphyry and Tephrite belong to Igneous Rocks.Texture of Rhomb Porphyry is Aphanitic to Porphyritic whereas that of Tephrite is Aphanitic to Porphyritic. Rhomb Porphyry appears Rough and Tephrite appears Vesicular. The luster of Rhomb Porphyry and Tephrite is subvitreous to dull. Rhomb Porphyry and Tephrite are available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Rhomb Porphyry are an oil and gas reservoir, as a feed additive for livestock, metallurgical flux, soil conditioner, source of magnesia (mgo) and that of Tephrite are production of lime, soil conditioner.