Tools of the Trade, GIA Knowledge Sessions Webinar Series
GIA Knowledge Sessions Webinar recorded live on June 18, 2020. As the modern gem trade has become increasingly complex due to the rise of geographic origin determination and the proliferation of laboratorygrown gems and new treatments, advanced instruments are more crucial than ever to helping gemologists properly identify their gems. Methods such as laser ablation inductively coupled plasma mass spectrometry can detect trace elements with concentrations of less than 1 out of every million atoms. Along
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