Know all about Dacite and Rhomb Porphyry properties here. All properties of rocks are important as they define the type of rock and its application. Dacite and Rhomb Porphyry belong to Igneous Rocks.Texture of Dacite is Aphanitic to Porphyritic whereas that of Rhomb Porphyry is Aphanitic to Porphyritic. Dacite appears Vesicular and Rhomb Porphyry appears Rough. The luster of Dacite and Rhomb Porphyry is subvitreous to dull. Dacite is available in bluish - grey, brown, grey, light to dark grey colors whereas Rhomb Porphyry is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Dacite are commemorative tablets, creating artwork 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).