山西龙骨
龙骨：榆社县所产龙骨量大，骨纯，杂质少，吸湿力强，色白，有花纹。质坚如石，断面不平坦，色白，有的中空，摸之细腻如粉质。关节处膨大，断面有数蜂窝状小孔。吸湿力亦强。无臭，无味。到山西旅游要去看看哦！
龙骨的化学成分主含碳酸钙(CaCO3)、磷酸钙(Ca3(PO4)2)。味甘、涩，平。有敛气逐湿，止盗汗，安神，涩精止血之功效。主治夜卧盗汗，梦遗，滑精，肠风下血，泻痢，吐衄血，崩带。外用可敛疮口。煎剂或入丸散。外用研末敷患处。
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