An approach to understanding the factors in the emerald enhancement clarity grading system used at CDTECGemlab
Javier Garcia-Toloza, Juan David Rincón, Cristian Ochoa, Julio Cedeño Carlos
History of Garnet Mining and Cutting in the Austro-Hungarian Monarchy
Bohemian garnets, i.e., chromium-bearing pyropes, are found in several jewellery pieces from the Mig
Challenges in the Detection of Ruby and Sapphire Treatment in the Thai Market
The detection of treatments in ruby and sapphire remains a critical aspect and has become an increas