Now open ICA | GemLab India opened in Surat on 20 October 2026. Now open in Surat
LA-ICP-MS trace element fingerprinting from 50+ global deposits.
Bangkok, at the centre of the global coloured gemstone trade.
For Paraíba tourmaline the microscope cannot answer the origin question. Trace element chemistry can, and the new Ethiopian…
Why synthetic malachite matters Given its largely ornamental usage, the presence of synthetic malachite on the market…