gemmology

例句：

1. 1. Gemmology is the study of gemstones and their properties.
   宝石学是研究宝石及其特性的学科。
2. 2.The gemmology lab at the museum specializes in studying diamonds.
   博物馆的宝石学实验室专门研究钻石。
3. 3. Gemmology has become a popular field for students interested in minerals and gems.
   宝石学已成为对矿物和宝石感兴趣的学生的一个热门领域。