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中药自然铜为接骨要药,本文对自然铜进行本草考证。自然铜始载《开宝本草》,又名石髓铅。”自然铜,生邕州山岩中出铜处,今信州火山军皆有之,于铜坑中以石间采之,方园不定,其色青黄如铜,不从矿炼,故号自然铜”。苏颂在《本草图经》言:“今信州出一种乱如铜丝状,云在铜矿中,山气熏蒸,自然流出,亦若生银,如老翁须之类,入药最好。”不难断定苏颂这里描述的自然铜是矿物自然铜。矿物自然铜是在原生热液铜矿床中,由地质作用形成还原条件,使铜化物矿中的铜还原而自然流出的产物。
The natural copper medicine is the medicine for bone grafting. This article will examine the natural copper. Natural copper contained “Kai Bao Materia Medica”, also known as lead stone. “Natural copper, born in Chuzhou, there are copper in the mountain rocks. Nowadays there are volcanic troops in Xinzhou. In the copper pits, they are taken from among the rocks. The Fangyuan is indefinite, and its color is green and yellow, such as copper, not from the mineral refining. Natural copper.” Su Song in the “draft of the sketch” said: “this letter state out of a chaos like copper wire, cloud in the copper mine, mountain gas fumigation, natural outflow, if you are born silver, such as the old must be like, the best medicine.” It is not difficult to conclude that the natural copper described by Su Song is a mineral natural copper. The mineral natural copper is a product in the original hydrothermal copper deposit, which is formed by the reduction of geological conditions and the copper in the copper compound ore is reduced and naturally flows out.