编号 101070009

编号 101070009

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
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technology used in this report
microscope ✓
edxrf ☐
raman ☐
ftir ✓
uv / vis / nir ☐
la-icp-ms ☐
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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.
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date: 2026-01-23
pin: 8391
report#: th26g112142
international colored gemstone association