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The mineral magnetite (Fe3O4), an oxide mineral. Enters the Liver, Heart, and Kidney channels. Salty, cold, and heavy, it suppresses fright, calms the spirit, pacifies the Liver, subdues yang, and sharpens hearing. Commonly used for Liver-yang hyperactivity dizziness and tinnitus. Also absorbs qi to stabilize wheezing in Kidney deficiency. Often combined with zhu sha and shen qu in Ci Zhu Wan.
质地酥脆易碎，便于煎出有效成分
煎服10–30g，宜先煎打碎。入丸散每次1–3g。
Reference range for non-pregnant adults. Not a personalized prescription. Pregnancy, lactation, and pediatric use require specialist supervision.
Protective guidance only — when to avoid or use with caution. This block deliberately omits pregnancy, lactation, and pediatric dosing: any such use must be managed by a qualified TCM practitioner or appropriate specialist.
脾胃虚弱者慎用。不宜大量久服。
质重沉降，不宜大量久服以免碍胃。煅后醋淬使用。
味辛寒。主周痹风湿，肢节中痛，不可持物，洗洗酸痠，除大热烦满及耳聋。
中品
@misc{bencaodian-ci-shi,
author = {{Bencaodian Editorial}},
title = {Cí Shí 磁石 (Magnetite) — Magnetitum},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/ci-shi},
urldate = {2026-04-16},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
磁石主含四氧化三铁，具有镇静和补充铁元素的作用。
Magnetite consists mainly of iron(II,III) oxide (Fe3O4), providing sedative effects and supplementing iron.
镇惊安神、平肝潜阳、聪耳明目。磁朱丸为经典方。
Suppresses fright, calms the spirit, pacifies the Liver and subdues yang. Ci Zhu Wan is the classic formula.
This section is provided for academic reference only and does not constitute medical advice.