Mica-schist is a rock schist or black mica schist of metamorphic group.

Action: To eliminate phlegm and relieve cough and dyspena, to subdue hyperactivity of the liver and arrest convulsions.

Indications: Cough and dyspnea due to retention of sticky phlegm, irritability and oppressed
feeling in the chest; epilepsy, mania, convulsions.

Usage: Mostly used in making pills or powder.