Know all about Mangerite and Rhomb Porphyry properties here. All properties of rocks are important as they define the type of rock and its application. Mangerite and Rhomb Porphyry belong to Igneous Rocks.Texture of Mangerite is Phaneritic whereas that of Rhomb Porphyry is Aphanitic to Porphyritic. Mangerite appears Shiny and Rhomb Porphyry appears Rough. The luster of Mangerite and Rhomb Porphyry is subvitreous to dull. Mangerite is available in black, brown, light to dark grey, white colors whereas Rhomb Porphyry is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Mangerite are cemetery markers, 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).