Know all about Lignite and Boninite properties here. All properties of rocks are important as they define the type of rock and its application. Lignite belongs to Sedimentary Rocks while Boninite belongs to Igneous Rocks.Texture of Lignite is Amorphous, Glassy whereas that of Boninite is Aphanitic to Porphyritic. Lignite appears Veined or Pebbled and Boninite appears Dull and Soft. The luster of Lignite is dull to vitreous to submetallic while that of Boninite is vitreous. Lignite is available in black, brown, dark brown, grey, light to dark grey colors whereas Boninite is available in bluish - grey, brown, colourless, green, grey colors. The commercial uses of Lignite are electricity generation and that of Boninite are an oil and gas reservoir, cemetery markers, creating artwork, soil conditioner, source of magnesia (mgo).