Know all about Oolite and Rhomb Porphyry properties here. All properties of rocks are important as they define the type of rock and its application. Oolite belongs to Sedimentary Rocks while Rhomb Porphyry belongs to Igneous Rocks.Texture of Oolite is Clastic or Non-Clastic whereas that of Rhomb Porphyry is Aphanitic to Porphyritic. Oolite appears Rounded and Rough and Rhomb Porphyry appears Rough. The luster of Oolite is pearly to shiny while that of Rhomb Porphyry is subvitreous to dull. Oolite is available in black, blue, brown, cream, green, grey, pink, red, silver, white, yellow colors whereas Rhomb Porphyry is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Oolite are creating artwork, jewelry, used in aquariums 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).