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