Know all about Picrite and Ignimbrite properties here. All properties of rocks are important as they define the type of rock and its application. Picrite and Ignimbrite belong to Igneous Rocks.Texture of Picrite is Earthy, Rough whereas that of Ignimbrite is Aphanitic. Picrite appears Rough and Shiny and Ignimbrite appears Dull, Vesicular and Foilated. The luster of Picrite is subvitreous to dull while that of Ignimbrite is vitreous to dull. Picrite is available in black, brown, colourless, green, grey, pink, white, yellow colors whereas Ignimbrite is available in beige, black, brown, grey, pink, white colors. The commercial uses of Picrite are as a feed additive for livestock, as armour rock for sea walls, metallurgical flux, pottery, source of magnesia (mgo) and that of Ignimbrite are cemetery markers, commemorative tablets, creating artwork.