Phyllite
- Is a Metamorphic rock
- formed by regional metamorphism of argillaceous sediments since their cleavage arose due to deviatoric stress.
- Contains Albite, Alusite, Biotite, Chlorite, Feldspar, Garnet, Graphite, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz etc.
- Used as decorative stones in counter tops, floor tiles etc.