Quick Facts
| Latin Name | Magnetitum |
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| Chinese Name & Pinyin | 煅磁石 · Duan Ci Shi |
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| Medicinal Part | Minerals |
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| Efficacy Category | Wind-extinguishing |
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| Botanical Origin | The ore of magnetite (magnetite series), calcined. |
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| Nature & Flavour | Salty; Cold |
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| Channels Entered | Liver, Heart, Kidney |
What Is Duan Ci Shi?
Duan Ci Shi (Calcined Magnetite) is a medicinal herb of Traditional Chinese Medicine.
Primarily produced in Hebei, Henan, Liaoning, Shandong.
Nature & Flavour: Salty; Cold
Channels Entered: Liver, Heart, Kidney
Duan Ci Shi: Materia Medica Profile
Identification & Quality Standard
Magnetitum
Botanical Origin
The ore of magnetite (magnetite series), calcined.
Production Regions
Primarily produced in Hebei, Henan, Liaoning, Shandong.
Quality Requirements
Superior is black, heavy, strong magnetic force.
Macroscopic Features
Irregular块状, 多具棱角. After calcination, surface is grayish-brown, brittle. Faint odor, salty taste.
Traditional TCM Properties
Salty; ColdLiverHeartKidney
Traditional Functions
Settles fright and quiets the spirit, subdues yang and anchors yin, sharpens ears and eyes, absorbs qi and calms panting.
How Duan Ci Shi Is Used in TCM
In the Chinese materia medica, Duan Ci Shi is classified among the Wind-extinguishing herbs.
Medical Disclaimer — This article is provided for educational purposes only and describes traditional Chinese medicine concepts. It is not medical advice, and it is not intended to diagnose, treat, cure or prevent any disease. Always consult a qualified practitioner before using any herb, particularly if you are pregnant, nursing, taking medication or managing a diagnosed condition.