Know all about Lignite and Talc carbonate properties here. All properties of rocks are important as they define the type of rock and its application. Lignite belongs to Sedimentary Rocks while Talc carbonate belongs to Metamorphic Rocks.Texture of Lignite is Amorphous, Glassy whereas that of Talc carbonate is Very Soft. Lignite appears Veined or Pebbled and Talc carbonate appears Soft. The luster of Lignite is dull to vitreous to submetallic while that of Talc carbonate is pearly. Lignite is available in black, brown, dark brown, grey, light to dark grey colors whereas Talc carbonate is available in colourless, grey, white colors. The commercial uses of Lignite are electricity generation and that of Talc carbonate are manufacturing of baby powder.