Nr. 101004289

Ohne mindestpreis - 1 pcs Blau Paraiba-Turmalin - 3.23 ct - International Colored Gemstone Association (ICA GemLab)
Nr. 101004289

Ohne mindestpreis - 1 pcs Blau Paraiba-Turmalin - 3.23 ct - International Colored Gemstone Association (ICA GemLab)
color greenish blue
comments paraiba is a gem variety of tourmaline containing copper (cu) and manganese (mn) the variety name is derived from the brazilian locality paraiba where this gemstone was first mined however today it may come from a number of localities tourmaline is commonly heated to improve or change its color
cut step / step
Date 2025-12-01
dimensions 1100 x 634 x 513 mm
Group tourmaline
phenomena none
PIN 6920
Report # th25g118231
shape octagonal
species natural elbaite
technology used microscope, edxrf, uv / vis / nir
Transparency Transparent
Treatments (see comments)
Variety Paraiba Tourmaline
Weight 3.23 carats
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