Chinese name:

Source:

Gypsum fibrosum - mineral

Nature:

• cold (very cold, cooling, yin, yang in yin)

Taste:

• acrid
• sweet (bland)

Tropism:

• lungs and stomach

Direction of action:

• surfacing

Effects:

• clears heat

• drains fire (Qi Fen)
• quenches thirst

Dosage:

• 15 – 60 g, standardly 30 g

Contraindications:

• deficiency cold in the spleen and stomach, blood deficiency, cold from yang deficiency, heat from yin deficiency