Know all about Talc carbonate and Picrite properties here. All properties of rocks are important as they define the type of rock and its application. Talc carbonate belongs to Metamorphic Rocks while Picrite belongs to Igneous Rocks.Texture of Talc carbonate is Very Soft whereas that of Picrite is Earthy, Rough. Talc carbonate appears Soft and Picrite appears Rough and Shiny. The luster of Talc carbonate is pearly while that of Picrite is subvitreous to dull. Talc carbonate is available in colourless, grey, white colors whereas Picrite is available in black, brown, colourless, green, grey, pink, white, yellow colors. The commercial uses of Talc carbonate are manufacturing of baby powder and that of Picrite are as a feed additive for livestock, as armour rock for sea walls, metallurgical flux, pottery, source of magnesia (mgo).