• Spectroscopy and Spectral Analysis
  • Vol. 42, Issue 7, 2130 (2022)
Long-feng TAO1、*, Miao SHI2、2;, Li-juan XU2、2;, Xiu-li HAN1、1; *;, and Zhuo-jun LIU2、2;
Author Affiliations
  • 11. College of Mining Engineering, North China University of Science and Technology, Tangshan 063210, China
  • 22. School of Gemmology and Materials Science, Hebei GEO University, Shijiazhuang 050031, China
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    DOI: 10.3964/j.issn.1000-0593(2022)07-2130-05 Cite this Article
    Long-feng TAO, Miao SHI, Li-juan XU, Xiu-li HAN, Zhuo-jun LIU. Research on Spectral Characteristics and Coloration of Natural Cobalt Spinel[J]. Spectroscopy and Spectral Analysis, 2022, 42(7): 2130 Copy Citation Text show less
    The cobalt spinel samples
    Fig. 1. The cobalt spinel samples
    Infrared spectra of samples
    Fig. 2. Infrared spectra of samples
    Raman spectra of samples
    Fig. 3. Raman spectra of samples
    UV-Vis-NIR absorption spectra of cobalt spinel
    Fig. 4. UV-Vis-NIR absorption spectra of cobalt spinel
    Luminescence characteristics of samples
    Fig. 5. Luminescence characteristics of samples
    样品颜色折射率相对密度紫外荧光滤色镜下
    的颜色
    内部特征
    日光灯下白炽灯下
    ST-1蓝色蓝色1.7203.58长波下呈绿色,
    短波下为惰性
    红色透明, 内部可见大量裂隙和气液包体
    ST-2蓝色紫红色1.7203.56同上红色透明, 内部可见裂隙和气液包体
    ST-3蓝色蓝色1.7203.58同上红色透明, 内部可见黄色杂质充填在裂隙处, 气液包体
    Table 1. Basic characteristics of samples
    样品编号Wt%
    Al2O3MgOFeOCr2O3CoOZnOTotal
    ST-171.5926.040.460.000.070.7798.93
    ST-271.7725.540.440.130.041.1199.03
    ST-370.7625.720.740.000.090.7798.08
    平均值71.3725.770.550.040.070.8898.68
    Table 2. The EPMA data of cobalt spinel
    样品编号含量/( μg·g-1)
    LiBeVCrMnFeCoCuZnGa
    ST-114.452.9475.600.0035.91700.48112.1713.981 167.91101.11
    ST-295.301.0546.22197.1829.16664.3653.8813.981 677.7465.00
    ST-38.621.4752.970.0023.731 129.75132.489.321 167.9175.11
    平均值49.361.8258.2665.7229.60831.5399.5212.431 337.8580.41
    Table 3. The LA-ICP-MS results of cobalt spinel
    Long-feng TAO, Miao SHI, Li-juan XU, Xiu-li HAN, Zhuo-jun LIU. Research on Spectral Characteristics and Coloration of Natural Cobalt Spinel[J]. Spectroscopy and Spectral Analysis, 2022, 42(7): 2130
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