Spectroscopy and Spectral Analysis, Volume. 40, Issue 10, 3185(2020)
Identification Characteristics, Composition and Genesis of Euclase in Mahuaping Tungsten-Beryllium Polymetallic Deposit in Yunnan Province, Southwest China
Figures & Tables(7)
![Projections of euclase structure (crystal parameter data from Ref.[10])(a): Ball-and-stick model; (b), (d): Projection along [100]; (c): Projection along [001]](/Images/icon/loading.gif){kind=icon}
Fig. 1. Projections of euclase structure (crystal parameter data from Ref.[10])
(a): Ball-and-stick model; (b), (d): Projection along [100]; (c): Projection along [001]
Fig. 2. Photographs and micrographs of euclase
(a): Colorless and white euclase from clastic metasedimentary rocks; (b—c): Light blue euclase from marble; (d—f): Mono-polarized light; (g—m): Cross-polarized light; Eu: Euclase; Py: Pyrite; Qtz: Quartz; Fl: Fluorite; Ms: Muscovite
Fig. 5. P-T projection of phase relationship in the BASH system (modified from Ref. [11])
Brt: Bertrandite; Brl: Beryl; W: Water; Kln: Kaolinite; Brm: Bromellite; Dsp: Diaspore; Prl: Pyrophyllite; Bht: Behoite; Ph: Phenacite; Als: Aluminum silicate; Ch: Chrysoberyl; Crn: Corundum; And: Andalusite; Ky: Kyanite; Sil: Sillimanite
Table 1. EPMA data of the euclase from Mahuaping
View tableView in ArticleTable 1. EPMA data of the euclase from Mahuaping
颜色 无色-白色蓝柱石 浅蓝色蓝柱石 编号 M16-1 M16-2 M16-3 M16-4 M16-5 ZK3-1 ZK3-2 ZK3-3 ZK3-4 ZK3-5 ZK3-6 Na2O 0 0.08 0 0 0 0 0 0 0.01 0 0 MgO 0 0.02 0.01 0.01 0 0 0 0 0.01 0 0 Al2O3 33.39 33.39 33.33 33.42 33.40 33.32 33.40 33.54 33.83 33.70 33.66 F 0.48 0.28 0.19 0.16 0.12 0.68 0.23 0.24 0.21 0.27 0.22 K2O 0 0.03 0.02 0 0.01 0 0 0 0.02 0.02 0 SiO2 43.27 42.79 42.84 42.71 42.69 42.36 42.36 42.29 42.43 42.81 43.11 CaO 0 0.03 0.01 0.01 0 0.02 0.01 0.02 0.04 0 0.01 MnO 0.01 0.01 0.02 0 0.01 0 0.02 0 0 0 0.04 CuO 0.01 0 0 0 0.03 0.02 0.02 0 0 0.02 0.01 FeO 0 0 0 0 0 0.01 0.05 0.06 0.03 0 0.01 TiO2 0.04 0 0 0.01 0 0 0 0.17 0 0 0 P2O5 0 0.04 0.03 0.06 0.02 0.03 0 0.04 0.02 0.03 0.02 MoO3 0 0 0.03 0.12 0.01 0 0.02 0 0 0.06 0.01 Cl 0 0 0.01 0.00 0 0 0 0 0 0.00 0.00 V2O3 0 0 0 0 0.01 0 0 0 0.01 0 0 Cr2O3 0 0.01 0.02 0 0 0 0 0 0.01 0.01 0.01 Rb2O 0 0.01 0 0 0 0 0.02 0 0.01 0.01 0 Cs2O 0 0 0 0.03 0 0 0 0 0 0 0 BeO 18.01 17.65 17.83 17.86 17.76 17.63 17.60 17.65 17.60 17.83 17.94 H2O 6.11 6.22 6.26 6.27 6.29 6.02 6.24 6.23 6.25 6.22 6.24 Total 101.33 100.55 100.59 100.65 100.35 100.07 99.97 100.25 100.46 100.98 101.26 Na 0 0.004 0 0 0 0 0 0 0 0 0 Mg 0 0.001 0.001 0 0 0 0 0 0 0 0 Al 0.966 0.952 0.942 0.953 0.952 0.95 0.952 0.953 0.964 0.96 0.959 F 0.037 0.021 0.014 0.012 0.009 0.052 0.018 0.018 0.016 0.02 0.017 K 0 0.001 0 0 0 0 0 0 0 0.001 0 Si 1.063 1.035 1.028 1.033 1.032 1.024 1.024 1.019 1.026 1.035 1.043 Ca 0 0.001 0 0 0 0.001 0 0.001 0.001 0 0 Mn 0 0 0 0 0 0 0 0 0 0 0.001 Cu 0 0 0 0 0.001 0 0 0 0 0 0 Fe 0 0 0 0 0 0 0.001 0.001 0.001 0 0 Ti 0.001 0 0 0 0 0 0 0.003 0 0 0 P 0 0.001 0.001 0.001 0 0.001 0 0.001 0 0.001 0 Mo 0 0 0 0.001 0 0 0 0 0 0.001 0 Cl 0 0 0 0 0 0 0 0 0 0 0 V 0 0 0 0 0 0 0 0 0 0 0 Cr 0 0 0 0 0 0 0 0 0 0 0 Rb 0 0 0 0 0 0 0 0 0 0 0 Cs 0 0 0 0 0 0 0 0 0 0 0 OH 0.963 0.979 0.986 0.988 0.991 0.948 0.982 0.982 0.984 0.98 0.983 Be 1.031 1.019 1.027 1.029 1.026 1.024 1.022 1.022 1.017 1.024 1.026
Table 2. Contents of elements (Al2O3, SiO2 ×10-2, the others ×10-6) analyzed by LA-ICP-MS
View tableView in ArticleTable 2. Contents of elements (Al2O3, SiO2 ×10-2, the others ×10-6) analyzed by LA-ICP-MS
颜色 样品编号 Be Al2O3 SiO2 Ti V Fe Ga V+Ti 无色-白色
蓝柱石M16-1 67095 36.9 44.4 14.34 3.76 48.17 3.94 18.1 M16-2 65481 37.5 44.3 16.25 4.27 32.57 4.03 20.52 M16-3 66670 37.1 44.4 13.53 2.42 64.41 3.03 15.96 M16-4 66478 36.2 45.3 77.1 3.73 34.59 3.9 80.83 M16-5 66411 36.2 45.3 19.14 5.26 59.23 2.76 24.4 M16-6 66391 36.4 45.1 34.7 0.84 82.5 0.9 35.54 浅蓝色
蓝柱石ZK3-1 66490 36 45.5 26.19 1.51 125.29 1.67 27.7 ZK3-2 67345 35.8 45.4 16.32 1.42 178.13 1.95 17.74 ZK3-3 66543 36.1 45.4 67 0.77 214.32 1.04 67.76 ZK3-4 66218 36.4 45.2 23.79 2.07 156.78 1.27 25.86 ZK3-5 65928 36.7 44.9 23.26 2.53 120.38 2.16 25.79 ZK3-6 66393 37.2 44.4 31.82 1.16 151.31 1.88 32.99
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Fu-dong JIA, Chang-qing ZHANG, Zhi-xin HUA, De-bo LOU, Bao-long LI, Jia SUN. Identification Characteristics, Composition and Genesis of Euclase in Mahuaping Tungsten-Beryllium Polymetallic Deposit in Yunnan Province, Southwest China[J]. Spectroscopy and Spectral Analysis, 2020, 40(10): 3185
Paper Information
Category: Research Articles
Received: Aug. 15, 2019
Accepted: --
Published Online: Jun. 18, 2021
The Author Email: Fu-dong JIA (jiafudong009@163.com)
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