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TECHNOLOGY
GIA Researchers Identify New Spinel Treatment
Scientists at the GIA laboratory in New York City recently discovered spinel treated by nickel diffusion in a parcel of gems acquired for research purposes by the GIA research team in Bangkok. In examining the supposedly cobalt-diffused spinels, GIA researchers discovered high concentrations of nickel, consistent with diffusion treatment. The treatment with nickel, not seen before by GIA or reported in gemological   ...  more
Artificial intelligence provides for greater consistency, higher precision and deeper trust – for its 100th anniversary, Gübelin Gem Lab presents a new milestone with Gemtelligence
The Gübelin Gem Lab is celebrating its 100th anniversary while presenting the future of gemmology with Gemtelligence. Gemtelligence ensures consistency in analyses of coloured gemstones and, for the first time, determines the origin of emeralds, rubies and sapphires   ...  more

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