Polishing the Diamonds into a Plate

975 views · Published 20 September 2018 · 4:19 · Indexed 30 September 2026

Channel: GIA (Gemological Institute of America) · 2018 · Education

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In this sequence of videos, Dr. Shirey explains how researchers select and prepare suitable inclusion-bearing diamonds for study. The process begins with crystals that are polished into precisely oriented plates for analysis. It ends with the plates being cleaved in a specially designed “diamond cracker” to recover their sulfide inclusions for age determination using chemistry.    
View the full article at http://www.gia.edu/gia-news-research-tiny-inclusions-reveal-diamond-age

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