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