Challenges in the Detection of Ruby and Sapphire Treatment in the Thai Market
Supparat Promwongnan, Wilawan Atichat, Cheewaporn Suphan, Wassana Chongraktrakul, and Visut Pisutha-Arnond
Gem-quality pink fluorite from Planggenstock, Switzerland: chemical and physical properties and a comparison with pink fluorites from other localities
In this study, first results of trace element analyses and various spectrometric investigations on p
Cross-Cultural Provenance and Characterization of Turquoise Artefacts: A Multi-Analytical Non-Destructive Study of Reshui Tomb Cluster, China (744 AD) and Tepeh Zagheh, Iran (5200–4200 BCE)
Turquoise has long held considerable cultural, economic, and symbolic significance across ancient ci