This product is a rock or crushed particles of chlorite schist or mica schist. The former, known as chlorite schist in medicinal terms, is mainly produced in Hunan, Hubei, and Sichuan. The latter, known as mica schist in medicinal terms, is mainly produced in Henan and Hebei. It can be collected all year round, impurities removed, and then calcined for use.

bubble_chart Properties and Meridians

Salty, neutral. Act on lung and liver meridians.

bubble_chart Efficacy

Lowering phlegm to descend qi, calming the liver to soothe fright.

bubble_chart Indications

1. Used for stubborn phlegm, old phlegm coagulation, qi counterflow, and wheezing cough in excess syndromes. This product is heavy and descending in nature, salty in taste to soften hardness, and is good at treating stubborn phlegm coagulation. It is often used in combination with Aquilaria, Skullcap Root, Rhubarb Rhizoma, etc., namely biotite schist Rolling Phlegm Pill. In modern clinical practice, it is effective for treating severe pediatric pneumonia, lung obstruction with wheezing cough, and thick yellow phlegm.
2. Used for manic and depressive psychosis, fright epilepsy, and other syndromes of excessive phlegm-fire. This product can both disperse phlegm accumulation and calm the liver to relieve fright, making it a good medicine for fright epilepsy. For example, the Duoming Powder in [Infant Treasure Mirror] treats infantile convulsion caused by heat phlegm obstruction, using calcined biotite schist as a powder, mixed with Mentha juice and white honey for oral administration. For phlegm accumulation fright epilepsy with severe constipation, biotite schist Rolling Phlegm Pill can be used to expel phlegm, reduce fire, and calm fright; clinically used to treat epilepsy and schizophrenia, effective in controlling seizures and alleviating manic symptoms.

bubble_chart Documentation

1. "Jia You Materia Medica": "Treats food accumulation that does not dissipate, lingering in the zang-fu organs, and long-standing food accumulation masses."
2. "Bencao Gangmu": "Treats accumulated phlegm, fright epilepsy, cough, and rapid panting." "Treats fright and benefits phlegm, but it should only be used for emergency relief; those with weak qi and spleen qi deficiency should not take it for a long time."
3. "Bencao Beiyao": "Can calm the liver and lower qi, and is a holy medicine for treating fright and benefiting phlegm."

bubble_chart Usage and Dosage

6-10 grams. Decoct and take, preferably crushed and wrapped in cloth to be decocted first. Used in pills and powders.

bubble_chart Cautions and Contraindications

This product is heavy and potent in nature, and should not be used for conditions that are not caused by internal stagnation of phlegm-heat. It is contraindicated for spleen deficiency, weak stomach, slow convulsions in children, and pregnant women.

bubble_chart Modern Pharmacology

This product mainly contains silicic acid, magnesium, aluminum, iron, etc.