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HomeIGC 2025Automated Data Processing of Raman Spectra for Supporting Spinel Origin Determination
17. Nov
IGC 2025

Automated Data Processing of Raman Spectra for Supporting Spinel Origin Determination

Tasnara Sripoonjan, Montira Seneewong Na Ayutthaya, Sirinapa Saengdech, Sutas Singbamroong, Alongkot Fanka
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GemmologyOriginsSpinel
17. Nov
IGC 2025
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

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Elodie
17. Nov
IGC 2025
Hessonite garnet from Angul district of Odisha, India

This study describes hessonite (Fe-bearing variety of grossular garnet), found in the Birlamunda vil

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Elodie
17. Nov
IGC 2025
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

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Laurent Cartier

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