Now open ICA | GemLab India opened in Surat on 20 October 2026. Now open in Surat
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Origin Determination
LA-ICP-MS trace element fingerprinting from 50+ global deposits.
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Bangkok, at the centre of the global coloured gemstone trade.
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Explainer
How the origin of Paraíba tourmaline is determined
For Paraíba tourmaline the microscope cannot answer the origin question. Trace element chemistry can, and the new Ethiopian…
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