Know all about Rhomb Porphyry and Diabase properties here. All properties of rocks are important as they define the type of rock and its application. Rhomb Porphyry and Diabase belong to Igneous Rocks.Texture of Rhomb Porphyry is Aphanitic to Porphyritic whereas that of Diabase is Aphanitic, Granular. Rhomb Porphyry appears Rough and Diabase appears Vesicular. The luster of Rhomb Porphyry is subvitreous to dull while that of Diabase is not available. Rhomb Porphyry is available in black, brown, colourless, green, grey, pink, white colors whereas Diabase is available in dark grey to black 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 Diabase are an oil and gas reservoir, cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.