美国联邦贸易委员会发布「珠宝指南」（Jewelry Guides）修订方案

     1yuechumeiguolianbangmaoyiweiyuanhui（ftc）fabulezuixin「zhubaozhinan」（jewelry guides）xiudingfangan，neironggongbaohanyixia8gefangmian：

「1」金属镀层的调整
diyi，shangjiayingmingquegaozhishiyongyinhuobojinduceng；dier，jiyujinshudenaijiuxing，jianghuangjinducengdechunduyou10kdiaozhengweizhishao22k；disan，jiyuxiaofeizhederenzhi，wuxugaozhilaoduceng，kezhijiemiaoshuweiyinhuobaijinjinshu。

「2」合金金属的描述标准
zhubaoshangxuanguijinshudehanliangbaifenbi，conggaozhidiyicibiaochu。

「3」贵金属的正确用词
ruohejinzhongdeguijinshuweidadaozuidibiaozhunhanliang，jiangbunengshiyong「huangjin」、「bojin」、「yin」dengyongcihuoguijinshudesuoxiexingshi，rubunengshiyong「8khuangjin」demiaoshufangshi（huangjinzuidihanliangwei10khuangjin），kejiangqijiandanmiaoshuweijinshucaizhi。

「4」彩色宝石名称用词规定
yangeguidingcaisebaoshizhuanyoumingchengdeshiyongfanwei，ruobaoshibenshenbingbushihongbaoshi，jinyintianchonghongseqianbolidaozhikanqilaixianghongbaoshi，yaoqiumiaoshuweiqianbolitianchonggangyu。

「5」宝石品种描述规定
shiyongbaoshitedingdezhuanyoumingchenglaihuafenbaoshizhonglei，erbunenggenjuyanse、guangxuexianxiang、jingtixingzhuangdenglaiqufen，ru「prasiolite」bunengbeimiaoshuweilvsezishuijing（green amethyst）、「huangselvzhushi」（golden beryl）bunengxushuweihuangsezumulv（yellow emerald）。

「6」「培育钻石」（Cultured Diamond）用词将合理化
yunxushiyong「peiyu」qumiaoshuhechengzuanshi，danqihouxufusuimiaoshu「shiyanshiyangcheng」（laboratorygrown）、「hecheng」dengxiangjincihui。

「7」不能误用「宝石」（Gem）一词
xinxiudingfanganjiang「baoshi」（gem）yicishourujinguifanyongcishixiang，qieguidingzhenzhubunengchengzhiweibaoshi（gem）。

「8」珍珠饰品
guanyuzhenzhuhuoyangzhizhenzhu，zhubaoshangxugaozhixiaofeizhexialiezhuyishixiang：bingfeiyongjiuxiaoguo、xuyaotebieweihu、youduichanpinxianzhuzengzhidechulijiagong。