测量了产自我国不同地区的一批萤石的吸收光谱。研究了这些谱的特点,并在此基础上研究了它们经热处理和辐照前后吸收谱的变化。初步探讨了萤石染色的机理。认为萤石中400nm和600nm峰主要与色心吸收有关;590nm峰则为胶体钙和色心的复合吸收峰。 The absorption spectra of a group of fluorites produced in different regions of China were measured. The characteristics of these spectra were studied, and the changes of their absorption spectra before and after heat treatment and irradiation were studied. The mechanism of fluorite staining was discussed preliminarily. It is believed that the 400nm and 600nm peaks in fluorite are mainly related to the absorption of the color center. The 590nm peak is the complex absorption peak of colloidal calcium and color center.