热处理宝石级黄色榍石的光谱特征与颜色成因初探
王沛炼1, 岳素伟2,*, 李嘉妍1

Spectral Characteristics and Color Mechanism of Heat-Treated Gem-Quality Yellow Sphene
WANG Pei-lian1, YUE Su-wei2,*, LI Jia-yan1
榍石样品的近红外透射光谱 (a): S0, S1, S2; (b): S3, S4; (c): S5