Correction: Cui et al. Gemological Study of Black Nephrite from Dahua, Guangxi Province, China. Crystals 2026, 16, 220

Cui, Mingying; He, Mingyue; Yang, Mei; Peng, Bijie; Wu, Shaokun

doi:10.3390/cryst16080479

Open AccessCorrection

Correction: Cui et al. Gemological Study of Black Nephrite from Dahua, Guangxi Province, China. Crystals 2026, 16, 220

by

Mingying Cui

¹,

Mingyue He

^1,*,

Mei Yang

²,

Bijie Peng

¹ and

Shaokun Wu

³

¹

School of Gemology, China University of Geosciences Beijing, 29 Xueyuan Road, Beijing 100083, China

²

Sciences Institute, China University of Geosciences, 29 Xueyuan Road, Beijing 100083, China

³

Ningbo Customs District Technology Center, Ningbo 315192, China

^*

Author to whom correspondence should be addressed.

Crystals 2026, 16(8), 479; https://doi.org/10.3390/cryst16080479

Submission received: 21 July 2026 / Accepted: 21 July 2026 / Published: 23 July 2026

Download Versions Notes

Error in Table

In the original publication [1], there was a mistake in Table 3 as published. In the original Table 3, Row 17, Column 1, the phrase “the ion number of Fe” was inadvertently included and is redundant. The correct description should be “the sum of the ion numbers of Si, Al, and Ti”. This phrase has now been removed from the table. Accordingly, we request that Table 3 be replaced with the corrected version. The corrected Table 3 appears below. The authors state that the scientific conclusions are unaffected. This correction was approved by the Academic Editor. The original publication has also been updated.

Reference

Cui, M.; He, M.; Yang, M.; Peng, B.; Wu, S. Gemological Study of Black Nephrite from Dahua, Guangxi Province, China. Crystals 2026, 16, 220. [Google Scholar] [CrossRef] [Scilit]

Table 3. Chemical composition of tremolite in samples (wt%).

	MY1-1	MY1-2	MY1-3	MY1-4	MY2-1	MY2-2	MY3-1	MY3-2	MY3-3	MY4-1	MY4-2	MY4-3	MY4-4	MY4-5	MY4-6
SiO₂	56.78	57.97	57.52	57.39	57.38	56.61	57.35	56.74	55.45	57.4	56.96	60.52	59.75	59.74	59.82
Al₂O₃	0.29	0.15	0.21	0.12	0.17	0.19	0.19	0.17	0.28	0.36	0.27	0.15	0.23	0.17	0.21
TiO₂	0.03	0.07	0.04	0.02	0.06	0.09	0.01	0.03	0.05	0.02	b.d.l.	b.d.l.	b.d.l.	0.04	0.03
FeOt	1.18	1.17	1.26	1.24	0.62	0.92	1.41	1.21	1.26	0.84	0.96	0.81	0.8	1.27	1.01
MnO	0.3	0.41	0.37	0.29	0.53	0.47	0.52	0.51	0.35	0.58	0.61	0.44	0.57	0.59	0.6
MgO	25.46	24.64	24.83	25.14	25.21	25.12	24.78	25.55	25.68	25.31	24.96	24.16	23.68	23.82	23.77
CaO	13.17	13.1	13	13.63	12.63	12.76	13.5	13.48	13.43	11.9	12.64	11.04	11.08	11.46	11.05
Na₂O	0.03	0.08	0.08	0.06	0.04	0.06	0.03	0.03	0.03	0.04	0.04	0.02	0.04	0.04	0.03
K₂O	0.02	0.02	0.04	0.01	0.02	0.02	0.01	b.d.l.	0.03	0.03	0.01	0.02	0.03	0.01	0.01
Cr₂O₃	b.d.l.	b.d.l.	0.05	0.01	b.d.l.	b.d.l.	b.d.l.	0.02	b.d.l.	b.d.l.	0.01	0.01	n.d	n.d	n.d
NiO	0.04	b.d.l.	b.d.l.	0.01	b.d.l.	0.02	0.02	b.d.l.	0.01	0.01	b.d.l.	b.d.l.	0.04	b.d.l.	0.07
Total…	97.31	97.61	97.39	97.9	96.66	96.25	97.81	97.73	96.56	96.48	96.45	97.17	96.21	97.14	96.6
Si	7.773	7.815	7.854	7.813	7.877	7.823	7.819	7.752	7.679	7.880	7.849	8.143	8.133	8.068	8.111
Al	0.047	0.024	0.033	0.018	0.028	0.031	0.030	0.027	0.046	0.058	0.044	0.024	0.037	0.027	0.033
Ti	0.004	0.007	0.004	0.002	0.007	0.009	0.001	0.003	0.005	0.002	b.d.l.	b.d.l.	b.d.l.	0.004	0.003
Mn	0.035	0.047	0.042	0.033	0.062	0.055	0.059	0.058	0.041	0.067	0.071	0.050	0.065	0.067	0.069
Mg	5.197	4.951	5.053	5.101	5.159	5.174	5.037	5.204	5.302	5.180	5.126	4.847	4.805	4.795	4.805
Ca	1.932	1.891	1.902	1.987	1.857	1.889	1.971	1.974	1.993	1.749	1.866	1.591	1.616	1.658	1.605
Na	0.008	0.022	0.021	0.015	0.009	0.015	0.007	0.007	0.009	0.010	0.009	0.005	0.010	0.010	0.008
K	0.004	0.003	0.006	0.001	0.004	0.003	0.002	0.000	0.005	0.005	0.001	0.004	0.006	0.002	0.002
Cr	b.d.l.	b.d.l.	0.006	0.001	b.d.l.	b.d.l.	b.d.l.	0.002	b.d.l.	b.d.l.	0.002	0.001	n.d	n.d	n.d
Ni	0.004	b.d.l.	b.d.l.	0.001	b.d.l.	0.002	0.002	b.d.l.	0.001	0.001	b.d.l.	b.d.l.	0.004	b.d.l.	0.008
Fe³⁺	0.135	0.220	0.144	0.141	0.071	0.106	0.161	0.138	0.146	0.097	0.111	b.d.l.	b.d.l.	b.d.l.	b.d.l.
Fe²⁺	b.d.l.	0.045	b.d.l.	b.d.l.	b.d.l.	b.d.l.	b.d.l.	b.d.l.	b.d.l.	b.d.l.	b.d.l.	0.091	0.091	0.144	0.115
Mg/(Mg + Fe²⁺)	1	0.99	1	1	1	1	1	1	1	1	1	0.98	0.98	0.97	0.98
Minerals	Tr	Tr	Tr	Tr	Tr	Tr	Tr	Tr	Tr	Tr	Tr	Tr	Tr	Tr	Tr

Notes: The tremolite formulae were calculated on the basis of 23 oxygens. Tr = tremolite. FeOt: FeO + Fe₂O₃. Fe³⁺ contents were estimated based on the charge balance. b.d.l., below the detected line.

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Cui, M.; He, M.; Yang, M.; Peng, B.; Wu, S. Correction: Cui et al. Gemological Study of Black Nephrite from Dahua, Guangxi Province, China. Crystals 2026, 16, 220. Crystals 2026, 16, 479. https://doi.org/10.3390/cryst16080479

AMA Style

Cui M, He M, Yang M, Peng B, Wu S. Correction: Cui et al. Gemological Study of Black Nephrite from Dahua, Guangxi Province, China. Crystals 2026, 16, 220. Crystals. 2026; 16(8):479. https://doi.org/10.3390/cryst16080479

Chicago/Turabian Style

Cui, Mingying, Mingyue He, Mei Yang, Bijie Peng, and Shaokun Wu. 2026. "Correction: Cui et al. Gemological Study of Black Nephrite from Dahua, Guangxi Province, China. Crystals 2026, 16, 220" Crystals 16, no. 8: 479. https://doi.org/10.3390/cryst16080479

APA Style

Cui, M., He, M., Yang, M., Peng, B., & Wu, S. (2026). Correction: Cui et al. Gemological Study of Black Nephrite from Dahua, Guangxi Province, China. Crystals 2026, 16, 220. Crystals, 16(8), 479. https://doi.org/10.3390/cryst16080479

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