Know all about Pumice and Rhomb Porphyry properties here. All properties of rocks are important as they define the type of rock and its application. Pumice and Rhomb Porphyry belong to Igneous Rocks.Texture of Pumice is Vesicular whereas that of Rhomb Porphyry is Aphanitic to Porphyritic. Pumice appears Vesicular and Rhomb Porphyry appears Rough. The luster of Pumice is earthy while that of Rhomb Porphyry is subvitreous to dull. Pumice is available in beige, colourless, grey, light green, light grey, pink, white, yellow- grey colors whereas Rhomb Porphyry is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Pumice are as a traction material on snow-covered roads, as an abrasive in pencil erasers, fine abrasive used for polishing, manufacture of soap, solvents, dyes, plastics and fibres, 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).