珠宝市场贵在规范国家宝石检测中心陈学明改革开放以来，我国宝石业有了迅速的发展。据有关方面估计，八十年代初期全国首饰黄金年销量仅１吨多，产值不足２亿元；近几年，我国首饰黄金年销量已稳定在２５０吨左右。镶宝石首饰销售量的提高更是迅速，９０年代初期不及首饰... Jewelry market expensive in regulating the National Gem Testing Center Chen Xueming reform and opening up, China’s gem industry has developed rapidly. According to the estimation of relevant parties, the sales volume of national gold jewelery in the early 1980s was only 1 ton and the output value was less than 200 million yuan. In recent years, the annual sales volume of gold jewelery in our country has been stabilized at about 250 tons. Precious stones jewelry sales increase is more rapid, less than the early 90s jewelry ...