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Chinese Journal of High Pressure Physics  > 1992  >  6(4): 291-296 .
ZHAO Ting-He, YAN Xue-Wei, CUI Shuo-Jing, CHEN Jiu-Hua, LIU Li-Jun, NIU Wei, ZHAO Wei. Synthesis of Jadeite Jewel and Its Thermal Behavior and Stability[J]. Chinese Journal of High Pressure Physics, 1992, 6(4): 291-296 . doi: 10.11858/gywlxb.1992.04.008
Citation: ZHAO Ting-He, YAN Xue-Wei, CUI Shuo-Jing, CHEN Jiu-Hua, LIU Li-Jun, NIU Wei, ZHAO Wei. Synthesis of Jadeite Jewel and Its Thermal Behavior and Stability[J]. Chinese Journal of High Pressure Physics, 1992, 6(4): 291-296 . doi: 10.11858/gywlxb.1992.04.008
shu

Synthesis of Jadeite Jewel and Its Thermal Behavior and Stability

doi: 10.11858/gywlxb.1992.04.008

  • Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022, China

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  • Corresponding author: ZHAO Ting-He
  • Received Date: 23 Jan 1992
  • Rev Recd Date: 26 May 1992
  • Publish Date: 05 Dec 1992
    Abstract
  • Jadeite is synthesized at pressure of 3.0~5.0 GPa, temperature of 1 200~1 550 ℃, for a time duration of 5~240 min from its glass composition of NaAlSi2O6. The jadeite jewel is obtained in our experiment with a size of 12 mm in diameter and 6 mm in thickness. The melting points are studied by DTA and high temperature quenching at high pressure. The thermal stability is studied by quenching, annealing, and aging experiment, which shows that the synthetic jadeite jewel, whose optimum crystalline conditions are over 4.5 GPa, 1 400 ℃, 60 min, has been same thermal stability as that of natural jadeite.

     

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