Know all about Rhomb Porphyry and Basalt properties here. All properties of rocks are important as they define the type of rock and its application. Rhomb Porphyry and Basalt belong to Igneous Rocks.Texture of Rhomb Porphyry is Aphanitic to Porphyritic whereas that of Basalt is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Rhomb Porphyry appears Rough and Basalt appears Dull and Soft. The luster of Rhomb Porphyry is subvitreous to dull while that of Basalt is not available. Rhomb Porphyry is available in black, brown, colourless, green, grey, pink, white colors whereas Basalt is available in black, brown, light to dark 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 Basalt are an oil and gas reservoir, commemorative tablets, creating artwork, used in aquariums.