Gemmology Training for Jewellery in Singapore - JDMIS
Gemmology Training for Jewellery in Singapore - JDMIS
Mar 13, 2018
jdmis.edu.sg
This beautiful stone was submitted to the Gübelin Gem Lab to check if it qualifies as an Alexandrite, the color change variety of Chrysoberyl. To check for colour change we viewed the stone in both daylight and incandescent light. This stone exhibited a slight shift, from brown to reddish-brown. This shift is too subtle to qualify as a true colour change. Thus, this cat’s eye chrysoberyl would not be considered an Alexandrite. #gemmology #gemstones #gubelin #alexandrite #jewelry #chrysoberyl #ge
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This beautiful stone was submitted to the Gübelin Gem Lab to check i…
2.7K viewsMar 9, 2024
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Jewelry | Tiffany & Co. US
Jewelry | Tiffany & Co. US
4 weeks ago
tiffany.com
A crucial aspect of gemological investigation is the determination of gemstone treatment and provenance. However, with the growing number of treatment methods and synthetic materials, analytical facilities must engage more precise equipment to analyse the chemical composition. Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry (LA-ICP-MS) has been widely used for decades in the fields of geology, chemistry, material science, and biology. However, over time and with technological develop
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A crucial aspect of gemological investigation is the determination …
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Jewelry
Jewelry
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moma.org
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