biotitic

• a word derived from biotite.
  biotite

  noun

  a very common mineral of the mica group, occurring in black, dark-brown, or dark-green sheets and flakes: an important constituent of igneous and metamorphic rocks.

More Suggestions

• biotite
• parotitic
• abiotic
• biotin
• diotic
• miotic
• notitia
• otitis
• bibliotics