Wording on lab reports Harmonised!
LMHC makes progress on harmonisation of Colour description and new treatment issues Significant achievements in the harmonisation of wording on laboratory reports and the reporting of new treatments have been chalked up during the 29th meeting of the Laboratory Manual Harmonisation Committee (LMHC), which was hosted by the Gübelin Gem Lab in Lucerne, Switzerland, on November 14, and 15, 2018. The LMHC is currently comprised of representatives from the Central Gem Laboratory (CGL), CISGEM Laboratory, DSEF German Gem Lab, Gübelin Gem Lab, GIA Gem Laboratory, the Gem and Jewelry Institute of Thailand (GIT) and the Swiss Gemmological Institute SSEF. The organisation is not formally connected to any trade organisation. During the meeting, the LMHC members agreed to modify info sheet No. 4, concerning the use of the term "padparadscha." The info sheet now specifies that the term is not applicable if the colour of the stone is unstable and shifts to pink when ex...