Know all about Rhomb Porphyry and Hornblendite properties here. All properties of rocks are important as they define the type of rock and its application. Rhomb Porphyry and Hornblendite belong to Igneous Rocks.Texture of Rhomb Porphyry is Aphanitic to Porphyritic whereas that of Hornblendite is Banded, Foliated, Massive. Rhomb Porphyry appears Rough and Hornblendite appears Foliated. The luster of Rhomb Porphyry is subvitreous to dull while that of Hornblendite is vitreous to dull. Rhomb Porphyry and Hornblendite are available in black, brown, colourless, green, 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 Hornblendite are cemetery markers, commemorative tablets, creating artwork.