HFSE-enriched sapphires of gem quality: A combined FTIR and trace element study and implications for heat treatment detection
Michael S. Krzemnicki, Wei Zhou, Pierre Lefèvre, Markus Wälle, Hao Wang
Modern Cultivation of Freshwater Pearls in China: Advances in Materials, Technique
This presentation explores the modern advancements in freshwater pearl cultivation in China, focusin
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