Laser & Optoelectronics Progress, Volume. 62, Issue 3, 0330004(2025)
Color Genesis of Pyromorphite with Yellow to Green Series from Guilin, Guangxi
Figures & Tables(9)
Fig. 3. Fluorescence spectra of different samples excited at 300 nm and 470 nm. (a) 300 nm; (b) 470 nm
Table 1. X-Ray powder diffraction data of sample Y1、YG1, and G1
View tableTable 1. X-Ray powder diffraction data of sample Y1、YG1, and G1
hkl Y1 YG1 G1 Standard data d /Å I/I0 d /Å I/I0 d /Å I /I0 d /Å I/I0 （110） 4.9975 5.8 5.0028 6.7 5.0017 8.2 4.9965 9.3 （200） 4.3288 20.6 4.3299 25.1 4.3294 26.3 4.3271 28.2 （111） 4.1302 34.3 4.1367 37.3 4.1333 46.5 4.1293 45.0 （002） 3.6714 4.7 3.6748 5.2 3.6744 5.7 3.6670 7.1 （102） 3.3798 24.8 3.3824 26.4 3.3820 29.1 3.3764 27.8 （210） 3.2722 22.5 3.2728 30.1 3.2720 32.3 3.2710 33.9 （211） 2.9887 66.9 2.9907 79.2 2.9888 84.0 2.9873 93.9 （112） 2.9590 100.0 2.9612 100.0 2.9593 100.0 2.9563 100.0 （300） 2.8850 40.8 2.8866 47.8 2.8849 45.0 2.8847 52.5 （302） 2.2689 4.8 2.2693 6.8 2.2689 6.0 2.2673 5.1 （113） 2.1978 11.3 2.1996 12.5 2.1993 12.1 2.1959 12.4 （400） 2.1637 4.5 2.1645 6.1 2.1635 5.5 2.1636 5.7 （222） 2.0659 26.7 2.0662 29.6 2.0658 32.1 2.0646 31.6 （312） 2.0091 15.8 2.0099 17.7 2.0096 19.5 2.0083 16.8 （123） 1.9596 22.6 1.9604 24.5 1.9607 21.9 1.9582 22.7 （231） 1.9170 14.6 1.9172 17.4 1.9168 17.7 1.9164 20.8 （410） 1.8888 15.7 1.8894 15.6 1.8885 17.1 1.8885 20.1 （402） 1.8642 19.7 1.8649 23.8 1.8640 26.6 1.8634 25.2 （004） 1.8354 7.2 1.8361 5.4 1.8364 6.8 1.8335 10.3 （142） 1.6798 3.2 1.6800 3.7 1.6793 3.7 1.6789 3.7 （240） 1.6356 3.2 1.6361 4.4 1.6353 4.4 1.6355 4.5 （124） 1.6008 7.0 1.6017 7.8 1.6011 7.2 1.5994 6.9 （304） 1.5487 9.8 1.5495 10.9 1.549 10.5 1.5474 10.2 （332） 1.5170 10.1 1.5171 9.1 1.5168 11.8 1.5164 11.6 （404） 1.3997 2.8 1.4001 2.2 1.4000 1.9 1.3988 2.0 （521） 1.3620 3.0 1.3622 3.5 1.3615 3.4 1.3617 4.0 （215） 1.3395 5.7 1.3397 5.5 1.3396 5.0 1.3384 6.3 （414） 1.3164 10.9 1.3167 11.3 1.3165 11.5 1.3155 9.3 （252） 1.2968 5.8 1.2968 7.9 1.2964 7.8 1.2963 8.8 （440） 1.2492 2.8 1.2494 3.0 1.249 3.0 1.2491 4.5
Table 2. Mass fraction of chemical components in samples detected by EPMA
View tableTable 2. Mass fraction of chemical components in samples detected by EPMA
Chemical component Y1 Y2 YG1 YG2 G1 G2 Total 99.9622 99.9452 100.5056 101.5278 100.9095 101.1601 PbO 82.0575 81.5285 81.5586 82.5516 82.3050 82.6894 P2O5 14.8497 15.0283 14.9872 15.4339 15.1349 15.0464 Cl 2.9090 3.0297 2.9975 2.9983 2.9364 2.9542 CaO 0.0114 0.0057 0.3280 0.0544 0.1224 0.1076 BaO 0.0315 — 0.3151 0.2341 0.2227 — ZnO — 0.0520 0.2030 0.0034 — 0.0587 Al2O3 0.0163 — — 0.0142 — — Cr2O3 — 0.1276 — 0.0374 — 0.0136 V2O3 — 0.0205 0.0410 0.0741 0.0414 0.0103 FeO — 0.0639 — — 0.0795 — SiO2 0.0019 — — 0.0434 — — SO3 0.0849 0.0890 0.0752 0.0793 0.0672 0.0814 F — — — 0.0037 — 0.1985
Table 3. Crystallochemical formulas of samples
View tableTable 3. Crystallochemical formulas of samples
Sample Crystallochemical formula Y1 （Pb5.082Ca0.003Ba0.003Al0.004）5.092（P0.964S0.015O4）3Cl1.008 Y2 （Pb5.023Ca0.001Zn0.009Cr0.023Fe0.012）5.068（P0.971S0.015V0.004O4）3Cl1.036 YG1 （Pb4.968Ca0.080Ba0.028Zn0.034）5.110（P0.957S0.013V0.007O4）3Cl1.018 YG2 （Pb4.987Ca0.013Ba0.021Zn0.001Al0.004Cr0.007）5.033（P0.977S0.013Si0.010V0.013O4）3F0.002Cl1.007 G1 （Pb5.016Ca0.030Ba0.020Fe0.015）5.081（P0.967S0.011V0.008O4）3Cl1.000 G2 （Pb5.054Ca0.026Zn0.010Cr0.002）5.092（P0.964S0.014V0.002O4）3F0.125Cl0.998
Table 4. Mass fraction of trace elements in samples
View tableTable 4. Mass fraction of trace elements in samples
Element Y1 Y2 YG1 YG2 G1 G2 Ti 6.6190 8.2362 8.0072 7.9302 10.6268 7.8894 V 81.1824 133.5018 249.9725 232.9195 292.1309 161.2845 Cr 30.7395 41.8033 47.0708 50.0632 59.1367 29.3103 Cu 31.9132 26.3059 6.1608 6.8102 13.7346 15.3839
Table 5. Mass fraction of rare earth elements in samples
View tableTable 5. Mass fraction of rare earth elements in samples
Element Y1 Y2 YG1 YG2 G1 G2 Y 10.8813 15.4967 22.2935 30.8751 28.701 18.4719 La 3.0650 2.5271 3.4313 4.1122 3.1762 2.4240 Ce 3.2577 3.9906 0.9529 1.1246 1.2735 1.4093 Pr 1.7264 1.5042 0.5126 0.7565 0.5353 0.4754 Nd 9.5506 8.1674 2.6212 3.8941 2.6487 2.4131 Sm 3.6060 3.4308 1.7152 1.8170 0.9239 0.8601 Eu 1.1738 1.2303 0.5385 0.7822 0.3918 0.3281 Gd 5.8953 6.0491 3.4725 4.3559 2.4157 1.7121 Tb 0.9786 1.1843 0.5935 0.7311 0.3885 0.2827 Dy 5.0627 6.7838 3.7435 4.6077 2.7783 2.0480 Ho 0.8577 0.9011 0.7643 0.9343 0.6981 0.5208 Er 2.2516 3.4132 2.2270 2.6851 2.3037 1.6815 Tm 0.2852 0.4612 0.2600 0.3485 0.3197 0.2288 Yb 1.8018 2.8344 1.8879 2.3226 1.9756 1.3669 Lu 0.2347 0.3491 0.2906 0.3388 0.3012 0.1924
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Xuewen Qian, Xianyu Liu, Jingjing Li, Meiqiao Ren, Ye Yuan. Color Genesis of Pyromorphite with Yellow to Green Series from Guilin, Guangxi[J]. Laser & Optoelectronics Progress, 2025, 62(3): 0330004
Paper Information
Category: Spectroscopy
Received: Apr. 22, 2024
Accepted: Jun. 17, 2024
Published Online: Feb. 10, 2025
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