Figure 1.
Discriminant diagram of Ca-Mg/(Mg + Fe) in Guatemalan and Qing dynasty jadeite. (a) Discriminant diagram of Guatemalan jadeite; (b) discriminant diagram of Qing dynasty jadeite. Each element is represented by an apfu value. apfu: Atoms per formula unit.
Figure 2.
Discriminant diagram of Na-Ca/(Mg + Fe) in Guatemalan and Qing dynasty jadeite. (a) Discriminant diagram of Guatemalan jadeit; (b) discriminant diagram of Qing dynasty jadeite. Each element is represented by an apfu value.
Figure 3.
Map of standard levels of trace elements in Guatemalan and Qing dynasty jadeite. (a) is Guatemalan jadeite and (b) is Qing dynasty jadeite.
Figure 4.
Standard content map of rare earth elements in Guatemalan and Qing dynasty jadeite. (a) is Guatemalan jadeite and (b) is Qing dynasty jadeite.
Figure 5.
Guatemalan and Qing dynasty jadeite samples. (W-1 and W-2: cut thinly, use water transfer process, and show obvious green with tin foil back cover; W-3: white leather corners (jade peel visible), the color is darker and has a large number of black inclusions; W-4: ice jadeite interface material. The structure is dense, the transparency is good, and there is white cotton; W-5: the skin is thin and evenly distributed, and the inner jade flesh is delicate in texture and relatively high in transparency; W-6: the surface is infected with yellow and the structure is loose; W-7: the water is good, there are many cracks, and the skin shell is an incomplete thin layer of white; W-8: porcelain land, the germ quality is poor, but the jade is still relatively delicate to the naked eye; W-9: contains veined green veins, with shear fissures and goose-like fissures; W-10: the cortex is thin, and there are fine veins of red limonite on the surface of the rough, which are flush to the rough along the cracks; W-11: contains fine vein-like green veins, and the water is excellent; W-12: there are red limonite fine vein fractures on the surface, no skin shell, and the surface is evacuated; W-13: rough or standing to the touch, the fog under the skin shell (semi-weathered jadeite layer) is thin, white mist, dense in texture, green pine flowers on the epidermis, and finely veined green inside; W-14: there is a black–green–yellow–gray–blue color transition, and white cotton is visible in the gray–blue part. Q-1: contains small fine veins of green, with presence of a fly wing phenomenon; Q-2: the whole is green, the fly wing phenomenon is present, and there are cracks on the surface; Q-3: There is a small green vein on the surface and cracks on the surface; Q-4: the color is darker, there are cracks on the surface, and there are black inclusions; Q-5: contains green veins, there are many cracks on the surface, the fly wing phenomenon is present; Q-6: the surface has green veins, brown substance, and the fly wing phenomenon is obvious.)
Figure 5.
Guatemalan and Qing dynasty jadeite samples. (W-1 and W-2: cut thinly, use water transfer process, and show obvious green with tin foil back cover; W-3: white leather corners (jade peel visible), the color is darker and has a large number of black inclusions; W-4: ice jadeite interface material. The structure is dense, the transparency is good, and there is white cotton; W-5: the skin is thin and evenly distributed, and the inner jade flesh is delicate in texture and relatively high in transparency; W-6: the surface is infected with yellow and the structure is loose; W-7: the water is good, there are many cracks, and the skin shell is an incomplete thin layer of white; W-8: porcelain land, the germ quality is poor, but the jade is still relatively delicate to the naked eye; W-9: contains veined green veins, with shear fissures and goose-like fissures; W-10: the cortex is thin, and there are fine veins of red limonite on the surface of the rough, which are flush to the rough along the cracks; W-11: contains fine vein-like green veins, and the water is excellent; W-12: there are red limonite fine vein fractures on the surface, no skin shell, and the surface is evacuated; W-13: rough or standing to the touch, the fog under the skin shell (semi-weathered jadeite layer) is thin, white mist, dense in texture, green pine flowers on the epidermis, and finely veined green inside; W-14: there is a black–green–yellow–gray–blue color transition, and white cotton is visible in the gray–blue part. Q-1: contains small fine veins of green, with presence of a fly wing phenomenon; Q-2: the whole is green, the fly wing phenomenon is present, and there are cracks on the surface; Q-3: There is a small green vein on the surface and cracks on the surface; Q-4: the color is darker, there are cracks on the surface, and there are black inclusions; Q-5: contains green veins, there are many cracks on the surface, the fly wing phenomenon is present; Q-6: the surface has green veins, brown substance, and the fly wing phenomenon is obvious.)
Table 1.
Main chemical composition of Guatemalan jadeite (wt%).
| SiO2 | Al2O3 | Na2O | FeO | CaO | MgO | CaO/MgO | Na/Na + Ca | |
---|
W-1-1 | 54.90 | 11.10 | 7.34 | 2.74 | 14.2 | 9.08 | 1.56 | 0.34 | omphacite |
W-1-2 | 55.00 | 12.70 | 8.08 | 2.45 | 12.9 | 8.31 | 1.55 | 0.39 | omphacite |
W-1-3 | 54.60 | 11.10 | 7.47 | 2.80 | 14.2 | 9.13 | 1.56 | 0.35 | omphacite |
W-2-1 | 55.30 | 14.70 | 9.25 | 1.46 | 11.3 | 7.52 | 1.50 | 0.50 | omphacite |
W-2-2 | 55.00 | 14.20 | 8.93 | 1.46 | 11.9 | 8.07 | 1.47 | 0.43 | omphacite |
W-2-3 | 55.40 | 14.10 | 8.99 | 1.38 | 11.8 | 7.86 | 1.50 | 0.43 | omphacite |
W-3-1 | 55.70 | 14.10 | 9.19 | 2.28 | 10.9 | 7.45 | 1.46 | 0.46 | omphacite |
W-3-2 | 55.50 | 13.60 | 9.19 | 2.47 | 11.0 | 7.36 | 1.49 | 0.45 | omphacite |
W-3-3 | 56.30 | 15.30 | 9.67 | 1.72 | 9.83 | 6.79 | 1.45 | 0.50 | omphacite |
W-4-1 | 57.40 | 23.50 | 14.50 | 1.30 | 1.67 | 1.14 | 1.46 | 0.90 | Jadeite |
W-4-2 | 57.40 | 23.30 | 14.00 | 1.02 | 2.37 | 1.64 | 1.45 | 0.86 | Jadeite |
W-4-3 | 57.80 | 23.90 | 14.60 | 0.90 | 1.39 | 1.06 | 1.31 | 0.91 | Jadeite |
W-5-1 | 57.10 | 23.90 | 14.20 | 1.07 | 2.08 | 1.23 | 1.69 | 0.87 | Jadeite |
W-5-2 | 57.10 | 23.40 | 14.10 | 1.35 | 2.30 | 1.30 | 1.77 | 0.86 | Jadeite |
W-5-3 | 57.30 | 24.00 | 14.40 | 1.12 | 1.80 | 0.95 | 1.89 | 0.89 | Jadeite |
W-6-1 | 57.60 | 24.20 | 14.70 | 0.89 | 1.23 | 0.95 | 1.29 | 0.92 | Jadeite |
W-6-2 | 57.60 | 24.50 | 14.60 | 0.97 | 1.12 | 0.84 | 1.33 | 0.93 | Jadeite |
W-6-3 | 57.50 | 24.00 | 14.20 | 0.99 | 1.74 | 1.21 | 1.44 | 0.89 | Jadeite |
W-7-1 | 66.40 | 19.30 | 10.80 | 0.69 | 1.60 | 0.97 | 1.65 | 0.87 | Jadeite |
W-7-2 | 64.30 | 21.10 | 11.90 | 0.65 | 1.02 | 0.59 | 1.73 | 0.92 | Jadeite |
W-7-3 | 63.10 | 22.10 | 12.70 | 0.61 | 0.81 | 0.49 | 1.65 | 0.94 | Jadeite |
W-8-1 | 61.90 | 21.80 | 12.80 | 1.09 | 1.17 | 0.82 | 1.43 | 0.92 | Jadeite |
W-8-2 | 60.90 | 22.80 | 13.30 | 0.77 | 1.15 | 0.82 | 1.40 | 0.92 | Jadeite |
W-8-3 | 59.40 | 22.00 | 13.60 | 2.17 | 1.56 | 0.86 | 1.81 | 0.90 | Jadeite |
W-9-1 | 57.10 | 11.80 | 8.30 | 2.80 | 11.0 | 7.65 | 1.44 | 0.43 | omphacite |
W-9-2 | 56.60 | 16.90 | 10.90 | 2.34 | 7.45 | 4.83 | 1.54 | 0.59 | omphacite |
W-9-3 | 57.00 | 24.90 | 15.00 | 0.62 | 1.39 | 0.76 | 1.83 | 0.91 | Jadeite |
W-10-1 | 53.80 | 28.10 | 15.10 | 0.46 | 1.26 | 0.90 | 1.40 | 0.92 | Jadeite |
W-10-2 | 55.70 | 26.30 | 15.40 | 0.38 | 1.06 | 0.87 | 1.22 | 0.94 | Jadeite |
W-10-3 | 55.20 | 27.60 | 16.00 | 0.20 | 0.55 | 0.35 | 1.57 | 0.97 | Jadeite |
W-11-1 | 54.30 | 20.70 | 13.70 | 2.44 | 5.10 | 3.33 | 1.53 | 0.73 | omphacite |
W-11-2 | 53.90 | 21.10 | 13.00 | 2.22 | 4.96 | 3.65 | 1.36 | 0.72 | omphacite |
W-11-3 | 55.30 | 25.00 | 15.70 | 0.92 | 1.67 | 1.22 | 1.37 | 0.90 | Jadeite |
W-12-1 | 59.00 | 24.50 | 14.30 | 0.52 | 0.91 | 0.62 | 1.47 | 0.94 | Jadeite |
W-12-2 | 58.30 | 23.10 | 13.90 | 0.77 | 2.20 | 1.52 | 1.45 | 0.86 | Jadeite |
W-12-3 | 57.90 | 25.00 | 14.50 | 0.55 | 1.21 | 0.66 | 1.83 | 0.92 | Jadeite |
W-13-1 | 56.60 | 24.80 | 15.40 | 0.85 | 1.29 | 0.82 | 1.57 | 0.92 | Jadeite |
W-13-2 | 56.30 | 23.30 | 14.90 | 1.28 | 2.36 | 1.54 | 1.53 | 0.86 | Jadeite |
W-13-3 | 53.70 | 17.40 | 13.10 | 9.22 | 4.94 | 0.76 | 6.50 | 0.73 | omphacite |
W-14-1 | 59.40 | 11.50 | 7.43 | 2.22 | 11.4 | 7.36 | 1.55 | 0.39 | omphacite |
W-14-2 | 58.90 | 22.40 | 13.20 | 1.13 | 2.31 | 1.59 | 1.45 | 0.85 | Jadeite |
W-14-3 | 58.10 | 24.00 | 13.90 | 0.58 | 2.05 | 1.07 | 1.92 | 0.85 | Jadeite |
Table 2.
Main chemical composition of Qing dynasty jadeite (wt%).
| SiO2 | Al2O3 | Na2O | FeO | CaO | MgO | CaO/MgO | Na/Na + Ca | |
---|
Q-1-1 | 63.10 | 23.10 | 13.10 | 0.20 | 0.29 | 0.20 | 1.45 | 0.98 | Jadeite |
Q-1-2 | 60.70 | 23.50 | 13.40 | 0.57 | 1.05 | 0.72 | 1.46 | 0.93 | Jadeite |
Q-1-3 | 59.40 | 23.80 | 14.10 | 0.51 | 1.21 | 0.76 | 1.59 | 0.92 | Jadeite |
Q-2-1 | 58.00 | 23.80 | 14.50 | 0.76 | 1.38 | 1.14 | 1.21 | 0.91 | Jadeite |
Q-2-2 | 57.60 | 26.10 | 14.70 | 0.41 | 0.58 | 0.56 | 1.04 | 0.96 | Jadeite |
Q-2-3 | 57.70 | 26.70 | 15.40 | 0.06 | 0.07 | 0.06 | 1.17 | 0.99 | Jadeite |
Q-3-1 | 57.80 | 25.30 | 15.20 | 0.21 | 0.82 | 0.54 | 1.52 | 0.95 | Jadeite |
Q-3-2 | 57.70 | 23.70 | 14.90 | 1.31 | 1.15 | 0.96 | 1.20 | 0.93 | Jadeite |
Q-3-3 | 57.70 | 25.80 | 15.40 | 0.17 | 0.51 | 0.36 | 1.42 | 0.97 | Jadeite |
Q-4-1 | 57.00 | 20.10 | 13.90 | 2.37 | 1.91 | 3.37 | 0.57 | 0.88 | Jadeite |
Q-4-2 | 56.90 | 22.00 | 14.30 | 2.90 | 2.14 | 1.47 | 1.46 | 0.87 | Jadeite |
Q-4-3 | 56.70 | 6.48 | 9.80 | 2.88 | 4.09 | 17.7 | 0.23 | 0.71 | omphacite |
Q-5-1 | 63.30 | 22.10 | 12.10 | 0.24 | 1.04 | 0.86 | 1.21 | 0.92 | Jadeite |
Q-5-2 | 62.70 | 22.20 | 12.20 | 0.24 | 1.45 | 1.07 | 1.36 | 0.89 | Jadeite |
Q-5-3 | 62.20 | 12.90 | 10.10 | 0.82 | 2.32 | 10.6 | 0.22 | 0.81 | Jadeite |
Q-6-1 | 60.70 | 24.20 | 13.60 | 0.18 | 0.74 | 0.51 | 1.45 | 0.95 | Jadeite |
Q-6-2 | 60.40 | 24.50 | 14.10 | 0.13 | 0.37 | 0.42 | 0.88 | 0.97 | Jadeite |
Q-6-3 | 59.30 | 24.90 | 14.20 | 0.62 | 0.45 | 0.39 | 1.15 | 0.97 | Jadeite |
Table 3.
Guatemalan jadeite trace elements (ppm).
| W-1 | W-2 | W-3 | W-4 | W-5 | W-6 | W-7 | W-8 | W-9 | W-10 | W-11 | W-12 | W-13 | W-14 |
---|
Rb | 0.04 | 0.02 | 0.07 | 0.21 | 0.08 | 0.15 | 2.31 | 0.24 | 0.06 | 0.48 | 0.40 | 0.17 | 0.13 | 0.06 |
Ba | 12.60 | 8.40 | 7.30 | 8.70 | 21.10 | 55.80 | 3.10 | 16.80 | 15.40 | 13.90 | 9.50 | 2.80 | 9.70 | 59.40 |
U | 0.44 | 0.36 | 0.21 | 0.03 | 0.06 | 0.05 | 0.06 | 0.06 | 0.35 | 0.32 | 0.11 | 0.06 | 0.15 | 0.07 |
Ta | 0.03 | 0.07 | 0.01 | 0.06 | 0.06 | 0.18 | 0.01 | 0.03 | 0.03 | 0.05 | 0.01 | 0.03 | 0.02 | 0.03 |
La | 1.69 | 1.20 | 0.46 | 0.84 | 0.31 | 0.32 | 0.08 | 0.71 | 2.59 | 1.90 | 0.49 | 0.22 | 0.49 | 0.29 |
Pb | 0.43 | 0.40 | 0.21 | 0.46 | 0.28 | 0.68 | 0.12 | 0.58 | 0.39 | 2.11 | 0.13 | 0.98 | 0.27 | 0.36 |
Sr | 42.10 | 121.50 | 68.70 | 18.80 | 7.40 | 6.60 | 4.70 | 9.70 | 188.00 | 11.10 | 11.20 | 20.90 | 8.70 | 53.60 |
Nd | 4.07 | 7.34 | 1.96 | 1.43 | 0.66 | 0.85 | 0.43 | 1.45 | 6.02 | 0.46 | 1.28 | 0.69 | 1.80 | 0.73 |
Zr | 12.24 | 24.12 | 22.83 | 23.18 | 58.45 | 24.94 | 34.19 | 6.15 | 117.96 | 14.41 | 44.38 | 21.30 | 77.19 | 26.95 |
Hf | 0.71 | 0.28 | 0.78 | 3.30 | 2.46 | 0.48 | 1.23 | 2.01 | 2.17 | 0.23 | 1.43 | 2.13 | 2.70 | 4.09 |
Dy | 0.98 | 2.35 | 0.98 | 0.46 | 0.26 | 0.46 | 0.92 | 0.53 | 1.73 | 0.22 | 0.31 | 0.36 | 0.51 | 0.42 |
Table 4.
Qing dynasty jadeite trace elements (ppm).
| Q-1 | Q-2 | Q-3 | Q-4 | Q-5 | Q-6 |
---|
Rb | 0.41 | 0.43 | 0.27 | 1.27 | 0.45 | 0.39 |
Ba | 2.40 | 15.02 | 11.86 | 116.5 | 81.86 | 6.93 |
U | 0.07 | 0.04 | 0.04 | 0.03 | 0.04 | 0.02 |
Ta | 0.05 | 0.09 | 0.39 | 0.01 | 0.11 | 0.01 |
La | 0.12 | 0.21 | 0.89 | 0.15 | 0.05 | 0.40 |
Pb | 3.87 | 3.65 | 3.62 | 4.15 | 2.50 | 7.13 |
Sr | 27.05 | 25.34 | 79.84 | 214.00 | 6.69 | 29.20 |
Nd | 0.08 | 0.27 | 0.74 | 0.11 | 0.17 | 0.37 |
Zr | 7.86 | 34.99 | 2.00 | 19.83 | 321.46 | 14.12 |
Hf | 0.49 | 0.47 | 0.18 | 1.30 | 19.50 | 0.82 |
Dy | 0.03 | 0.03 | 0.07 | 0.07 | 0.07 | 0.09 |
Table 5.
Guatemalan jadeite rare earth elements (ppm).
| W-1 | W-2 | W-3 | W-4 | W-5 | W-6 | W-7 | W-8 | W-9 | W-10 | W-11 | W-12 | W-13 | W-14 |
---|
Ce | 0.60 | 1.07 | 0.25 | 0.24 | 0.10 | 0.14 | 0.06 | 0.17 | 0.92 | 0.26 | 0.16 | 0.18 | 1.56 | 1.55 |
Pr | 2.86 | 6.86 | 1.63 | 1.05 | 0.53 | 0.82 | 0.34 | 0.99 | 4.67 | 1.22 | 0.96 | 0.99 | 0.33 | 0.23 |
Nd | 0.87 | 3.22 | 0.7 | 0.49 | 0.11 | 0.23 | 0.11 | 0.29 | 1.01 | 0.15 | 0.43 | 0.35 | 1.61 | 1.25 |
Sm | 0.42 | 1.11 | 0.17 | 0.04 | 0.05 | 0.07 | 0.07 | 0.06 | 0.52 | 0.23 | 0.09 | 0.12 | 0.75 | 1.59 |
Eu | 0.82 | 3.96 | 1.03 | 0.55 | 0.21 | 0.34 | 0.44 | 0.30 | 1.94 | 0.16 | 0.51 | 0.36 | 0.22 | 0.17 |
Gd | 0.15 | 0.56 | 0.15 | 0.24 | 0.04 | 0.05 | 0.09 | 0.06 | 0.34 | 0.52 | 0.08 | 0.07 | 0.84 | 0.57 |
Tb | 0.75 | 2.49 | 0.81 | 0.38 | 0.22 | 0.38 | 0.61 | 0.37 | 1.35 | 0.17 | 0.74 | 0.25 | 0.13 | 0.06 |
Ho | 0.43 | 0.61 | 0.27 | 0.08 | 0.07 | 0.01 | 0.44 | 0.04 | 0.17 | 0.08 | 0.09 | 0.15 | 0.11 | 0.03 |
Er | 0.06 | 0.06 | 0.03 | 0.02 | 0.02 | 0.01 | 0.07 | 0.10 | 0.02 | 0.01 | 0.02 | 0.01 | 0.17 | 0.11 |
Tm | 0.50 | 0.40 | 0.26 | 0.07 | 0.05 | 0.05 | 0.44 | 0.03 | 0.27 | 0.12 | 0.14 | 0.65 | 0.04 | 0.02 |
Yb | 0.09 | 0.05 | 0.03 | 0.01 | 0.01 | 0.01 | 0.06 | 0.01 | 0.03 | 0.01 | 0.01 | 0.01 | 0.14 | 0.12 |
Lu | 0.09 | 0.05 | 0.03 | 0.01 | 0.01 | 0.01 | 0.06 | 0.01 | 0.03 | 0.01 | 0.01 | 0.01 | 0.02 | 0.01 |
(La/Yb)N | 1.58 | 1.88 | 1.75 | 5.66 | 5.02 | 3.04 | 0.14 | 10.57 | 5.04 | 7.15 | 1.70 | 0.42 | 3.16 | 3.58 |
Eu/Eu* | 1.54 | 0.96 | 0.62 | 0.24 | 1.02 | 0.77 | 0.98 | 0.63 | 1.15 | 4.59 | 0.59 | 1.04 | 0.86 | 0.55 |
Table 6.
Qing dynasty jadeite rare earth elements (ppm).
| Q-1 | Q-2 | Q-3 | Q-4 | Q-5 | Q-6 |
---|
Ce | 0.09 | 0.34 | 0.39 | 0.23 | 1.17 | 0.40 |
Pr | 0.02 | 0.04 | 0.12 | 0.03 | 0.10 | 0.08 |
Nd | 0.08 | 0.18 | 0.54 | 0.10 | 0.50 | 0.26 |
Sm | 0.04 | 0.02 | 0.13 | 0.02 | 0.05 | 0.02 |
Eu | 0.01 | 0.01 | 0.03 | 0.03 | 0.03 | 0.01 |
Gd | 0.03 | 0.07 | 0.03 | 0.08 | 0.05 | 0.00 |
Tb | 0.00 | 0.02 | 0.02 | 0.01 | 0.01 | 0.01 |
Dy | 0.02 | 0.02 | 0.05 | 0.06 | 0.06 | 0.06 |
Ho | 0.01 | 0.01 | 0.02 | 0.01 | 0.01 | 0.01 |
Er | 0.02 | 0.02 | 0.02 | 0.03 | 0.03 | 0.03 |
Tm | 0.01 | 0.00 | 0.01 | 0.01 | 0.02 | 0.00 |
Yb | 0.02 | 0.06 | 0.07 | 0.06 | 0.03 | 0.04 |
Lu | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
(La/Yb)N | 2.97 | 1.81 | 5.50 | 1.24 | 20.01 | 4.95 |
Eu/Eu* | 2.25 | 2.79 | 3.28 | 3.73 | 4.26 | 1.68 |