Know all about Rhomb Porphyry and Pantellerite properties here. All properties of rocks are important as they define the type of rock and its application. Rhomb Porphyry and Pantellerite belong to Igneous Rocks.Texture of Rhomb Porphyry is Aphanitic to Porphyritic whereas that of Pantellerite is Eutaxitic. Rhomb Porphyry appears Rough and Pantellerite appears Layered and Foliated. The luster of Rhomb Porphyry is subvitreous to dull while that of Pantellerite is earthy. Rhomb Porphyry is available in black, brown, colourless, green, grey, pink, white colors whereas Pantellerite is available in dark greenish - grey 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 Pantellerite are creating artwork.