摘要
宝石学研究的一个重要方面是它的异常光学现象。这种现象可以归纳为三种主要类型：１）包体对光的反射；２）光的选择性吸收；３）光的干涉。对这种现象的评级是宝石评价评级的重要方面。
The Unusual phenomena in gems are the unusual optical ones. The unusual phenomena of gems may be dividedinto three majortypes:1) the refleCtion of light by the inclusion in gemsl 2)the chosen absorb of light by gems; (3) theinterfernce of light. The appreciation of theSe phenomena are the imPOrtant aspeCts of studies of gems.
出处
《矿产勘查》
1996年第2期117-121,共5页
Mineral Exploration
关键词
宝石
奇异现象
gems
unusual phenomena
