ethical · transparent · responsible species: natural topaz variety: blue topaz weight: 74.35 cts dimensions: 24.26 x 23.80 x 17.36 mm cut: fancy / fancy shape: pear transparency: transparent phenomena: none color blue treatments see comments comments known in the trade as “swiss blue topaz”. topaz is commonly heated or irradiated to improve or change the color. color authenticity is currently indeterminable. technology used in this report microscope ftir edxrf uv / vis / nir raman la-icp-ms date 2025-11-25 pin: 2666 report # thsg11787 *image scaled for viewing.