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What is Flux Treatment in Ruby and Sapphire about?

1) Fluxes are commonly used in heat treating ruby and sapphire from Mong Hsu, Myanmar to alter color but leave residual inclusions. 2) Fluxes are not necessary for preventing thermal shock as ruby and sapphire are naturally resistant, but are used to enhance appearance. 3) Identifying residual flux can be challenging as boron is not detected by common analysis and melt droplets resemble flux deposits. The identification of flux fillings also varies widely.

Author

makara5966

Language

EN