Know all about Breccia and Rhomb Porphyry properties here. All properties of rocks are important as they define the type of rock and its application. Breccia belongs to Sedimentary Rocks while Rhomb Porphyry belongs to Igneous Rocks.Texture of Breccia is Brecciated, Clastic whereas that of Rhomb Porphyry is Aphanitic to Porphyritic. Breccia appears Layered, Banded, Veined and Shiny and Rhomb Porphyry appears Rough. The luster of Breccia is dull to pearly while that of Rhomb Porphyry is subvitreous to dull. Breccia is available in beige, black, blue, brown, buff, green, grey, orange, pink, purple, red, rust, white, yellow colors whereas Rhomb Porphyry is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Breccia are creating artwork, gemstone, jewelry 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).