This article makes a systematic research in gemological characteristics of the uvarovite crystal and points out its commercial prospect of the gem quality in eastern Tibet.

 
  • 作者对该矿区钙铬榴石晶体的宝石学特征进行了系统的研究,指出了西藏东部宝石级钙铬榴石晶体的应用前景。
今日热词
目录 附录 查词历史