The ore of magnetite.
Irregular pieces, angular, unequal in size. Surface iron black or brown,
sometimes covered with little brown powder, lustrous. Broken surface appearing
shell-shaped or uneven. Acrid in taste, cold in nature, and attributive
to liver, heart and kidney channels.
1. Calm the liver, benefit yin and suppress the sthenic yang: For sthenia
of liver-yang manifested as irritability, vexation, dizziness, headache
Tranquilize the mind: For restlessness, palpitation, epilepsy and insanity.
Recently, used for schizophrenia, usually used together with Cinnabans
and Massa Medicata Fermentata (Pill of Magnetitum and Cinnabaris).
3. Improve auditory and visual acuity: For insufficiency of the liver
and kidney manifested as tinnitus, deafness, blurring of vision and cataract.
4. Improve inspiration by invigorating kidney-energy and relieve dyspnea:
For shortness of breath due to insufficiency of kidney-energy.
Sedative and tranquilizing.
10-30g (crushed and decocted first).
Powder or pill: 1-3 g bid or tid.