Know all about Talc carbonate and Siltstone 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 Siltstone belongs to Sedimentary Rocks.Texture of Talc carbonate is Very Soft whereas that of Siltstone is Clastic. Talc carbonate appears Soft and Siltstone appears Rough. The luster of Talc carbonate is pearly while that of Siltstone is dull. Talc carbonate is available in colourless, grey, white colors whereas Siltstone is available in brown, red, reddish brown colors. The commercial uses of Talc carbonate are manufacturing of baby powder and that of Siltstone are raw material for the manufacture of mortar, soil conditioner.