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Compositions, Structures and Coloration Mechanism of Quartzite Jade from Taxkorgan, Xinjiang
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Qian ZHONG1, Zongting LIAO1, 2, 3, Meng LAI1, Di CUI1, Ling LI1, Zhengyu ZHOU1, 2, 3, Lingmin ZHANG1
Journal of the Chinese Ceramic Society | 2020, 48(1) : 104 - 111
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Journal of the Chinese Ceramic Society | 2020, 48(1): 104-111
Compositions, Structures and Coloration Mechanism of Quartzite Jade from Taxkorgan, Xinjiang
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Qian ZHONG1, Zongting LIAO1, 2, 3, Meng LAI1, Di CUI1, Ling LI1, Zhengyu ZHOU1, 2, 3, Lingmin ZHANG1
Affiliations
  • 1.School of Ocean and Earth Sciences, Tongji University, Shanghai 200092, China
  • 2.Laboratory of Gem and Technological Materials, Tongji University, Shanghai 200092, China
  • 3,Shanghai Engineering and Technology Research Center of Gem and Material Technology, Shanghai 200092, China

    • ZHONG Qian (1991-), female, Doctoral candidate. E-mail:

About Author:

ZHONG Qian (1991-), female, Doctoral candidate. E-mail:

Published: 2020-01-20 doi: 10.14062/j.issn.0454-5648.20190221
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The mineral assemblages, chemical composition, microstructure and spectral characteristics of quartzite jade from Taxkorgan, Xinjiang were investigated by polarized microscopy, electron microprobe (EPMA), laser Raman spectroscopy and ultraviolet-visible-near infrared spectroscopy (UV-Vis-NIR), and the coloration mechanism was discussed as well. The result indicates that quartzite jade from Taxkorgan consists of mainly granoblastic textured α-quartz and different amounts of epidote, dolomite, clinochlore, titanite, K-feldspar, pyrite, chalcopyrite, hematite and goethite. A combination of Fe3+ d-d electron transition and Fe2+—Fe3+ charge transfer in the crystal structure of epidote is the main reason for green color. Yellow and brownish red colors are primarily attributable to nano-micron-sized goethite and hematite within quartz particles or in cracks, and some related peaks in their first-order derivative UV-Vis-NIR spectra are located at 433-434 nm, 512-538 nm and 591 nm, respectively.

α-quartz  /  Raman spectroscopy  /  quartzite jade  /  first order derivative spectra
钟倩, 廖宗廷, 赖萌, 崔笛, 李凌, 周征宇, 张灵敏. 新疆塔县石英岩玉的组成、结构与颜色成因. 硅酸盐学报, 2020 , 48 (1) : 104 -111 . DOI: 10.14062/j.issn.0454-5648.20190221
Qian ZHONG, Zongting LIAO, Meng LAI, Di CUI, Ling LI, Zhengyu ZHOU, Lingmin ZHANG. Compositions, Structures and Coloration Mechanism of Quartzite Jade from Taxkorgan, Xinjiang[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (1) : 104 -111 . DOI: 10.14062/j.issn.0454-5648.20190221
Appendix
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Year 2020 volume 48 Issue 1
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Article Info
doi: 10.14062/j.issn.0454-5648.20190221
  • Receive Date：2019-04-08
  • Online Date：2026-10-29
  • Published：2020-01-20
Article Data
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History
  • Received：2019-04-08
  • Revised：2019-07-16
Funding
Affiliations
    1.School of Ocean and Earth Sciences, Tongji University, Shanghai 200092, China
    2.Laboratory of Gem and Technological Materials, Tongji University, Shanghai 200092, China
    3,Shanghai Engineering and Technology Research Center of Gem and Material Technology, Shanghai 200092, China

Corresponding:

LIAO Zongting (1962-), male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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