沒有保留價 - 1 pcs 藍色黃玉 - 48.92 ct - 國際有色寶石協會 (ICA GemLab)

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species: natural topaz variety: blue topaz weight: 48.92 cts dimensions: 22.98 x 22.75 x 14.25 mm cut: fancy / fancy shape: triangular transparency: transparent phenomena: none ⸻ technology used in this report microscope ✓ edxrf ☐ raman ☐ ftir ✓ uv / vis / nir ☐ la-icp-ms ☐ ⸻ 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 undeterminable. ⸻ date: 2026-01-23 pin: 8391 report#: th26g112142 international colored gemstone association

編號 101070009

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沒有保留價 - 1 pcs 藍色黃玉 - 48.92 ct - 國際有色寶石協會 (ICA GemLab)

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species: natural topaz

variety: blue topaz

weight: 48.92 cts

dimensions: 22.98 x 22.75 x 14.25 mm

cut: fancy / fancy

shape: triangular

transparency: transparent

phenomena: none

⸻

technology used in this report
microscope ✓
edxrf ☐
raman ☐
ftir ✓
uv / vis / nir ☐
la-icp-ms ☐

⸻

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 undeterminable.

⸻

date: 2026-01-23
pin: 8391
report#: th26g112142

international colored gemstone association