Cinnabar(Zhu sha)

It refers to Cinnabar of sulfide type,mainly containing mercuric sulfide.The medicinal produced in Chenzhou of ancient times(now Yuanling,hunan province)is the genuine one.After being mined,the mineral is purified with a magnet to remove the impurity containing iron,and then stones and sands are washed away.It is refined into powder with water,then dried and put into bottles for medication.

Medicinal Properties:sweet,slight cold and toxic.

Meridian Tropism:heart meridian.

Medicinal Efficacies: Relieve palpitation and calm spirit;clear heat and remove toxin.

Usage and Dosage: 0.1-0.5g.is usually used in pill or powder form,not in decoction.It is used externally with appropriate dosage.