The chalcanthite ore of trigonal crystal system, malnly containing cupric sulfate.

The sample appearing as irregular pieces of crystals, varying in size, deep blue or light blue, semi-opaque, with glassy luster. Brittle in texture, easily broken into prismatical fragments. Sour and acrid in taste, cold in nature, toxic, and attributive to liver channel.

1. Induce vomiting: For accumulation of wind-phlegm, pharyngitis, epilepsy and retention of poisons in the stomach.
2. Eliminate toxic material, remove dampness and clear away necrotic tissues (external use): For eye diseases of wind-heat type such as conjunctivitis and blepharitis, its decoction is used for eye wash; for aphthae and ulcerative gingivitis, used with Catechu and Rhizoma Picrorhizae as powder for topical application; for unruptured abscess and pterygium, used as powder for external use.

Administration Powder: 0.3-0.6g.
External use: Appropriate amount.


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Mr. Wang Tao

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