Know all about Lignite and Blueschist properties here. All properties of rocks are important as they define the type of rock and its application. Lignite belongs to Sedimentary Rocks while Blueschist belongs to Metamorphic Rocks.Texture of Lignite is Amorphous, Glassy whereas that of Blueschist is Foliated. Lignite appears Veined or Pebbled and Blueschist appears Dull and Banded. The luster of Lignite is dull to vitreous to submetallic while that of Blueschist is dull. Lignite is available in black, brown, dark brown, grey, light to dark grey colors whereas Blueschist is available in blue, bluish - grey, purple, shades of blue colors. The commercial uses of Lignite are electricity generation and that of Blueschist are cemetery markers, commemorative tablets, creating artwork, curling, tombstones.