Know all about Picrite and Conglomerate properties here. All properties of rocks are important as they define the type of rock and its application. Picrite belongs to Igneous Rocks while Conglomerate belongs to Sedimentary Rocks.Texture of Picrite is Earthy, Rough whereas that of Conglomerate is Clastic. Picrite appears Rough and Shiny and Conglomerate appears Shiny and Rounded. The luster of Picrite is subvitreous to dull while that of Conglomerate is dull. Picrite is available in black, brown, colourless, green, grey, pink, white, yellow colors whereas Conglomerate is available in beige, black, brown, buff, light to dark grey, orange, rust, white, yellow 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 Conglomerate are cemetery markers, in aquifers, tombstones.