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滑石为常用中药,系硅酸盐类矿物滑石,产于辽宁、河北、山东、陕西、江苏、江西、四川、广西、云南等地。滑石始载于《神农本草经》,列为上品。苏敬曰:“此石所在皆有。岭南始安出者,白如凝脂,极软滑……”苏颂曰:“今道、永、莱、濠州皆有之。……而今医家所用白色者,自南方来。”可以认为,古代所用滑石与今药用滑石基本一致。滑石别名画石、活石、脆石、留石,为不规则块状体,白色或略显鸭蛋青色,色泽较均匀。滑石表面不平坦,具珍珠光
Talc is commonly used traditional Chinese medicine, Department of silicate minerals talc, produced in Liaoning, Hebei, Shandong, Shaanxi, Jiangsu, Jiangxi, Sichuan, Guangxi, Yunnan and other places. Talc is contained in “Shen Nong’s Materia Medica”, as the top grade. Su Jing said: “This stone is Jieyou Lingnan start out, white as creamy, very soft slippery ... ” Su Song said: “Today Road, Wing, Lai, Haozhou Jieyou it .... Now doctors white, come from the south. ”It can be considered that the talc used in ancient times and this medicine with talc basically the same. Talc alias painted stone, live rock, brittle stone, stone, irregular lumps, white or slightly green duck, more uniform color. Talc surface is not smooth, pearl light