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The researchers analyzed gems from the Arabian-Nubian Shield and compared them with similar gems from around the globe to find unique characteristics of gems from the region.
Spectroscopy techniques allow us to see way beneath the shiny surface of gemstones.
Researchers have used modern tools to analyse the unique chemical composition of ancient gemstones, tracing samples of peridot, emerald, amazonite and
Gems' unique elemental composition and atomic orientation act as a fingerprint, enabling researchers to uncover the stones’ past, and with it, historical trade routes. In AIP Advances, Khedr et al. employ three modern spectroscopic techniques to rapidly analyze gems found in the Arabian-Nubian Shield and compare them with similar gems from around the world. The authors identified elements that influence gems’ color, differentiated stones found within and outside the region, and distinguished natural from synthetic.
Spectroscopy helped the team identify specific elements inside the gems and their chemical makeup and structure.