Know all about Picrite and Talc carbonate properties here. All properties of rocks are important as they define the type of rock and its application. Picrite belongs to Igneous Rocks while Talc carbonate belongs to Metamorphic Rocks.Texture of Picrite is Earthy, Rough whereas that of Talc carbonate is Very Soft. Picrite appears Rough and Shiny and Talc carbonate appears Soft. The luster of Picrite is subvitreous to dull while that of Talc carbonate is pearly. Picrite and Talc carbonate 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 Talc carbonate are manufacturing of baby powder.