Impurity characteristics of Fujiashan vein quartz deposit in southeastern Hubei Province and its potential as raw material for high-purity quartz
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P619.23+3

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    Abstract:

    As one of the strategic mineral material, high-purity quartz has been widely used in integrated circuits, semiconductor chips, solar energy and other high-tech industries. However, raw material deposits that can be used to produce high-purity quartz are extremely scarce, especially in China. Southeastern Hubei is the main distribution area of vein quartz deposits in Hubei Province. In this paper, the gangue mineral types and inclusion characteristics of vein quartz from the Fujiashan quartz deposit in southeastern Hubei are observed by optical microscope and scanning electron microscope. The trace element concentrations of the raw quartz material are analyzed by inductively coupled plasma atomic emission spectrometry (ICP-OES) to obtain the impurity element characteristics of Fujiashan quartz deposit and evaluate the potential of the deposit as a raw material for high-purity quartz. The results show that the average content of SiO2 of the raw quartz is more than 99.95%, and the impurity elements(Al, K, Fe, Ti, Ca, etc.)mainly occur in gangue minerals such as muscovite, potassium feldspar and iron oxide, lattice-bound form and fluid inclusions. The results show that the quality of Fujiashan quartz raw ore reaches the standard of low-end high-purity quartz, and it may have the potential to produce middle-to-high end high-purity quartz after traditional purification.

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谢泽丰,王九一,彭琰聪,胡宇飞,2022,鄂东南付家山脉石英矿杂质特征及其用作高纯石英原料的潜力[J].岩石矿物学杂志,41(6):1159~1168. XIE Ze-feng, WANG Jiu-yi, PENG Yan-cong, HU Yu-fei,2022,Impurity characteristics of Fujiashan vein quartz deposit in southeastern Hubei Province and its potential as raw material for high-purity quartz[J]. Acta Petrologica et Mineralogica,41(6):1159~1168.

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History
  • Received:March 18,2022
  • Revised:August 24,2022
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  • Online: November 16,2022
  • Published: November 20,2022
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