Know all about Picrite and Amphibolite properties here. All properties of rocks are important as they define the type of rock and its application. Picrite belongs to Igneous Rocks while Amphibolite belongs to Metamorphic Rocks.Texture of Picrite is Earthy, Rough whereas that of Amphibolite is Banded, Foliated, Massive. Picrite appears Rough and Shiny and Amphibolite appears Foliated. The luster of Picrite is subvitreous to dull while that of Amphibolite is vitreous to dull. Picrite and Amphibolite are available in black, brown, colourless, green, grey, pink, 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 Amphibolite are cemetery markers, commemorative tablets, creating artwork.