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2023428 · Based on the functional application, mineral purification and separation can be divided into the processes of gravity concentration, magnetic separation, froth flotation, etc. ... Iron is one of the most stubborn impurities in quartz minerals, and the iron content partly determines the various applications of quartz. Iron can exist in quartz in ...
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2023929 · The quality of high-purity quartz (HPQ) that used in strategic industries is normally limited due to lattice impurities. In order to reveal the migration pathway of lattice impurities in quartz particles during phase transition from α-quartz to β-quartz, α-quartz and Al3+/Li+-substituted α-quartz (S-α-quartz) was investigated under 846.15 K and 101.325 …
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2020622 · 2.1 Mineral and Fluid Impurities. PM is widely applied in the mineralogy analysis of quartz ores to investigate the type and distribution of impurities [3, 13, 29].However, the gangue minerals can only be ascertained in a semi-qualitative level by PM due to the birefringence characteristics of different minerals [].In addition, an enormous …
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201531 · The geologic applications of quartz CL include crystal growth, dissolution, replacement, deformation, and provenance (Boggs et al., 2002, Landtwing and Pettke, 2005, Matter and Ramseyer, 1985, Penniston-Dorland, 2001, Rusk, 2012, Rusk and Reed, 2002, Seyedolali et al., 1997). ... precipitating quartz and ore minerals at appropriate P–T ...
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The purification of high-purity quartz is crucial in several application domains [4]. However, due to the fact that today's high-grade quartz resources are increasingly depleted, it should be separated and purified from other low-grade quartz mineral resources. The best choice is the quartz sand mineral, which is available and commonly used.
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200771 · The uncertainty in the Mie calculation associated with the size distribution uncertainty is small, and the result offers a stringent test of Mie theory in application to light scattering of quartz mineral dust aerosol. Note that for the average diameter 〈D ve 〉=300 nm and wavelength λ=550 nm, the mean size parameter is 〈X〉∼2.
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20231128 · INTRODUCTION. Quartz has attained a prominent status as a pivotal high-tech material, finding extensive employment across a diverse spectrum of fields encompassing high-purity glass, refractory materials, solar energy, computers, optical fibers, aerospace, and medical applications [1,2].In select countries, quartz also assumes vital …
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20231130 · As of 2022, the confirmed reserves of quartz mineral resources in China are depicted in Figure1, with data sourced from the Ministry of Natural Resources of the People’s Republic of China. From Figure1, it can be observed that China possesses abundant siliceous mineral resources, with total reserves of quartzite and vein quartz …
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202426 · The physical and chemical properties of feldspar and quartz are highly similar, thus they cannot be easily separated effectively. In this work, the flotation separation of feldspar from quartz using sodium fluosilicate (Na2SiF6; SF) as a selective depressant was investigated. Moreover, the influence mechanism of SF on the selective flotation …
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Recent experimental, theoretical, and thermodynamic studies permit better calibration of two reactions for geobarometry: grossular+pyrope+quartz=anorthite+enstatite grossular+almandine+quartz=anorthite+ferrosilite If both reactions are applied using the same thermodynamic data and activity models they should yield the same pressure for a …
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