digital copy th26g114037 - not for reproduction ica gemlab ethical · transparent · responsible group: tourmaline species: natural elbaite variety: green tourmaline weight: 3.79 cts dimensions: 9.45 x 8.51 x 6.98 mm cut: brilliant / step shape: cushion transparency: transparent phenomena: none technology used in this report microscope edxrf ftir uv / vis / nir raman la-icp-ms color yellowish green treatments see comments comments tourmaline is commonly heated or irradiated to improve or change the color. color authenticity is currently undeterminable. date: 2026-02-11 pin: 2413