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雄黄为单斜晶系疏化砷矿石类药物。分布于泥板岩或千枚岩中,成致密的块状,常与辉锑矿、砒石、铅矿、银矿、金矿等共生。在矿中质软如泥,遇空气即变硬。采挖后除去杂质、泥土,选取质纯者,研细成粉水飞炮制后供药用。雄黄性苦、平寒、有毒。能燥湿杀虫,祛痰解毒。外用于治疗疥癣、虫蛇咬伤、疔疮、痈肿,内服用于治疗惊痈久疟、泄痢。湖南等省民间在端阳节有制作雄黄酒的习惯,内服外涂,据说能预防疾病,用于蚊蚤咬伤,可止痒消肿。雄黄主产于湖南石门县、贵州思南县、
Realgar is a monoclinic system to demineralize arsenic ore drugs. It is distributed in mud slate or phyllite and becomes a dense block, often coexisting with lanthanum ore, vermiculite, lead ore, silver ore, gold ore. It is soft and muddy in the mine and hardens when it encounters air. After the excavation, the impurities and soil are removed, and the pure substances are selected. The fine powdered water is sprayed and processed for medicinal purposes. Realgar is bitter, cold and toxic. Can damp insecticidal, detoxification. It is used externally to treat lice, worm bites, acne, and blister, and is taken orally for the treatment of convulsions, long-term malaria, and diarrhea. The folks of Hunan and other provinces have the habit of making realgar at the Duanyang Festival. The outer coating is used internally. It is said that it can prevent diseases. It can be used for bite wounds of mosquitoes and it can relieve swelling and itchiness. The realgar is mainly produced in Shimen County, Hunan Province and Sinan County, Guizhou Province.