很早就听说过玉能养人，现在市场上比较多的玉石品种有:和田玉,翡翠,岫岩玉,玛瑙,独山玉,石英岩玉石等玉石品种，其中以翡翠和田玉为高档玉石，完美的翡翠戒指往往价值超过百万,有着悠久历史的和田玉也有着高昂的价格.是投资,收藏者的首选.
玉埋藏地下几千年或是上亿年，玉中含有大量矿物元素，所以人们常说人养玉玉养人，如果人的身体好长期佩玉可以滋润玉，玉的水头也就是折光度会越来越好，越来越亮。如果人的身体不好长期佩玉，玉中的矿物元素会慢慢让人体吸收达到保健作用，譬如女士戴玉的手镯通常带左手，因为对心脏有好处。玉为枕而脑聪，古代皇帝就喜欢用玉做枕头，向中国古代长寿的皇帝都久用玉枕。而且像《本草纲目》也有对玉保健作用的介绍。
我国自古以来就有“玉石之国”的美名，古人视玉如宝，作为珍饰佩用。古医书称“玉乃石之美者，味甘性平无毒”，并称玉是人体蓄养元气最充沛的物质。认为吮含玉石，借助唾液与其协同作用，“生津止渴，除胃中之热，平烦懑之所，滋心肺，润声喉，养毛发。”因而玉石不仅作为首饰、摆饰、装饰之用，还用于养生健体。自古各朝各代帝王嫔妃养生不离玉，而宋徽宗嗜玉成癖，杨贵妃含玉镇暑。
玉的养生机理已经被现代科学所证实。据化学分析，玉石含有多种对人体有益的微量元素，如锌、镁、铁、铜、硒、铬、锰、钴等，佩带玉石可使微量元素被人体皮肤吸收，活化细胞组织，提高人体的免疫功能。故有中医所说“有的病吃药不能医好，经常佩带玉器却治好病”，道理就在于此。倘佩带玉手镯长期的良性按摩，不仅能被动除视力模糊之疾，而且可以蓄元气，养精神。
佩带假玉对身体有害：
有关专家提醒人们.购买玉石一定要谨慎.选不好还会影响健康. 国家首饰质量监督检验中心的高级工程师王春生认为.玉一般分为A.B.C三种货.A货是指原石原色的玉.是不经化学处理的玉器.价格较高.B货是经化学漂白再充填树脂的玉器.价格较便宜.C货玉色较差.加温至110摄氏度时放在铬盐溶液中浸泡一二天.使铬盐渗透进玉料裂缝中达到染色效果.初看时晶莹剔透.一二年后就会褪色.此玉价廉物美.但没有收藏价值.现在市场上多见的是B+C货.以B货和C货同步结合加工而成.
A货是天然玉石.其构成元素较为固定.一般对人体无害,B货中的树脂不遇外力作用.一般也不会有太大的危害,B+C或C货染色后其酸溶液在褪色后有可能会对体皮肤有损害.因为有些商人可能用氢氟酸.硝酸.硫酸.盐酸等强酸来仿冒玉的古旧沁色.然后在假古玉的表面涂上一层地板漆.水晶漆或环氧树脂等.了健康和安全.最好戴不经化学处理的天然玉石.
专家认为：
[白玉] 有镇静，安神之功。
[青玉] 避邪恶，使人精力旺盛。
[岫岩玉] 对男性阳痿患者很有效，能提高人的生育能力。
[翡翠] 能缓解呼吸道系统的病痛，能帮助人克服抑郁。
[独玉] 润心肺，清胃火，明目养颜。
[玛瑙] 清热明目。
[老玉] 解毒，清黄水，解鼠疮，滋阴乌须，治痰迷惊，疳疮
介绍玉器的优劣、真假辨别方法：
水鉴别法→ 将一滴水滴在玉上，如成露珠状久不散开者真玉；水滴很快消失的是伪劣货。
手触摸法→ 若是真玉用手摸一摸，有冰凉润滑之感。
视察法→ 将玉器朝向光明处，如阳光、灯光处，如果颜色剔透、绿色均匀分布就是真玉。
舌舐法→ 舌尖舐真玉有涩的感觉；而假玉则无涩的感觉。
放大镜观看法→ 将选购的玉器放在放大镜下观看，主要是有无裂痕，无裂痕者为上乘优质玉，有裂痕者为次之。
即使是真玉，有裂痕的其价值亦大减，裂痕越多越明显的，价值也就越低.
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谢谢你的文章，太棒了
玉是好东西。
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