Spectroscopy and Spectral Analysis, Volume. 41, Issue 2, 629(2021)
Spectral Characteristics of Dark-Blue Corundum From Fangshan Mine, Shandong, China and Le-Shuza-Kone Mine, Mogok, Burma
Figures & Tables(14)
Fig. 1. Corundum samples from Fangshan (a) and Le-shuza-kone (b) mines
Fig. 2. Three sets of needle-like inclusions in CL-02(a) and BM-01(b) under optical microscope(50×)
Fig. 3. XRD spectra of CL-02 and BM-01
□: Corundum; ○: Diaspore; ■: Boehmite
Fig. 7. Micro-infrared spectra of CL-02 and BM-01(KBr pellet method)in the region of 400~3 500 cm-1
Table 1. Mineralogical characteristic of CL-02 and BM-01
View tableView in ArticleTable 1. Mineralogical characteristic of CL-02 and BM-01
编号 产地 重量/g 颜色 透明度 晶型 描述 底面方向 特征包裹体 CL-01 方山矿区 8.97 暗蓝色 微透明 六方桶状 晶粒大、 裂理发育, 六方角状色带 //{0001} 锆石 CL-02 方山矿区 6.87 暗蓝色 微透明 六方桶状 晶型完整、 裂理发育, 六方角状色带 //{0001} 赤铁矿(针状) BM-01 Le-shuza-kone矿区 7.09 暗蓝色 半透明 不规则粒状 裂理发育 //{0001} 金红石(针状)、 水铝矿 BM-02 Le-shuza-kone矿区 5.45 暗蓝色 半透明 六方板状 裂理发育 //{0001} 气液态包裹体
Table 2. XRD characteristic of corundum, diaspore and boehmite
View tableView in ArticleTable 2. XRD characteristic of corundum, diaspore and boehmite
CL-02(d1)和BM-01(d2) BM-01 BM-01 刚玉 硬水铝石 勃姆矿(一水软铝石) d 1d 2( hkl )2 θ d ( hkl )2 θ d ( hkl )2 θ - - - - - - - 6.115 1 (020) 14.44 - - - - 3.981 5 (110) 22.31 - - - 3.408 8 3.477 0 (012) 25.65 - - - - - - 2.551 8 2.549 9 (104) 35.03 2.549 9 (130) 35.22 - - - 2.380 7 2.378 1 (110) 37.77 2.378 1 (101) 37.82 - - - - - - - 2.314 9 (111) 38.97 - - - 2.086 6 2.084 9 (113) 43.33 2.084 9 (140) 43.50 - - - 1.741 1 1.739 8 (024) 52.51 1.739 8 (041) 52.52 - - - 1.602 6 1.601 4 (116) 57.47 1.601 4 (240) 57.62 - - - 1.548 2 1.547 0 (211) 59.71 - - - - - - 1.512 2 1.511 4 (018) 61.23 - - - - - -
Table 3. The FTIR results of CL-02 and BM-01 (KBr pellet method)
View tableView in ArticleTable 3. The FTIR results of CL-02 and BM-01 (KBr pellet method)
样品号 特征峰位/cm-1 对应官
能团样品厚
度/μmCL-02 451, 603, 640, 779, 1 088,
1 622- 100 BM-01 451, 603, 640, 779, 1 088,
1 622, 1 980, 2 110, 3 310—OH 100
Table 4. EPMA results of CL-02 and BM-01
View tableView in ArticleTable 4. EPMA results of CL-02 and BM-01
Wt% CL-01-1 CL-01-2 CL-01-3 CL-02-1 CL-02-2 CL-02-3 BM-01-1 BM-01-2 BM-01-3 BM-02-1 BM-02-1 BM-02-3 TiO2 0 0 0.089 0 0 0 0 0 0.008 0.015 0.008 0 V2O3 0 0.007 0 0.015 0.012 0.012 0 0.013 0 0.01 0.009 0 Cr2O3 0 0.021 0 0 0.001 0.001 0 0.02 0 0.032 0.034 0.01 SiO2 0.006 0 0 0.007 0.018 0.023 0 0 0.009 0.015 0 0 Al2O3 97.695 99.233 97.731 98.859 98.995 98.516 100.476 100.546 100.207 100.114 100.556 100.748 FeO* 1.371 1.278 1.597 1.257 1.386 1.294 0.272 0.249 0.249 0.249 0.249 0.249 MnO 0.031 0.003 0 0 0.02 0.022 0 0 0 0.02 0.01 0.005
Table 5. The content of Fe3+ and Fe2+ in CL-02 and BM-01 calculated by electrovalence difference method
View tableView in ArticleTable 5. The content of Fe3+ and Fe2+ in CL-02 and BM-01 calculated by electrovalence difference method
CL-01-1 CL-01-2 CL-01-3 CL-02-1 CL-02-2 CL-02-3 BM-01-1 BM-01-2 BM-01-3 BM-02-1 BM-02-1 BM-02-3 Fe3+ 0 0 0.004 6 0 0 0 0 0 0.000 4 0.000 8 0.000 4 0 Fe2+ 0.019 8 0.018 2 0.018 4 0.017 9 0.019 7 0.018 5 0.003 8 0.003 5 0.003 1 0.002 8 0.003 1 0.003 5 Fe2O3 0 0 0.355 7 0 0 0 0 0 0.032 0 0.060 0 0.032 0 0 FeO 1.371 0 1.278 0 1.276 8 1.257 0 1.386 0 1.294 0 0.272 0 0.249 0 0.220 2 0.195 0 0.220 2 0.249 0
Table 6. Mossbauer results of CL-01 and CL-02
View tableView in ArticleTable 6. Mossbauer results of CL-01 and CL-02
温度/K 谱峰 IS/(mm·s-1) QS/(mm·s-1) LW/(mm·s-1) 峰面积/% 298 1(CL-01) 0.562 78 2.479 67 0.582 00 32.01 298 2(CL-02) 0.288 08 0.519 69 0.582 00 67.99
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Qian-yi ZHAO, Chang XU, Xian-yu LIU. Spectral Characteristics of Dark-Blue Corundum From Fangshan Mine, Shandong, China and Le-Shuza-Kone Mine, Mogok, Burma[J]. Spectroscopy and Spectral Analysis, 2021, 41(2): 629
Paper Information
Category: Research Articles
Received: Dec. 17, 2019
Accepted: Apr. 12, 2020
Published Online: Apr. 8, 2021
The Author Email: ZHAO Qian-yi (zhaoqyd@163.com; zhaoqianyi@cug.edu.cn)
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