Know all about Hyaloclastite and Rhomb Porphyry properties here. All properties of rocks are important as they define the type of rock and its application. Hyaloclastite and Rhomb Porphyry belong to Igneous Rocks.Texture of Hyaloclastite is Pyroclastic whereas that of Rhomb Porphyry is Aphanitic to Porphyritic. Hyaloclastite appears Dull and Rhomb Porphyry appears Rough. The luster of Hyaloclastite is dull and grainy while that of Rhomb Porphyry is subvitreous to dull. Hyaloclastite is available in brown, grey, yellow colors whereas Rhomb Porphyry is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Hyaloclastite are cemetery markers, 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).