Know all about Rhomb Porphyry and Anorthosite properties here. All properties of rocks are important as they define the type of rock and its application. Rhomb Porphyry and Anorthosite belong to Igneous Rocks.Texture of Rhomb Porphyry is Aphanitic to Porphyritic whereas that of Anorthosite is Foliated, Glassy. Rhomb Porphyry appears Rough and Anorthosite appears Layered, Banded, Veined and Shiny. The luster of Rhomb Porphyry is subvitreous to dull while that of Anorthosite is pearly to subvitreous. Rhomb Porphyry is available in black, brown, colourless, green, grey, pink, white colors whereas Anorthosite is available in black, bluish - grey, brown, green, grey, light greenish grey, pink, white 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 Anorthosite are creating artwork, curling.