Zonder Minimumprijs Blauw Topaas - 30.73 ct - International Gemological Institute (IGI)
Nr. 87790353
Blauw, Groen Topaas - 37.71 ct - International Gemological Institute (IGI) - Londen Topaas
Nr. 87790353
Blauw, Groen Topaas - 37.71 ct - International Gemological Institute (IGI) - Londen Topaas
IGI Report #636450163
22 August 2024
LLA-LY (E)
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Species....................................................... Natural Topaz
Variety......................................................... Blue Topaz
Shape And Cutting Style................ Fan Mixed Cut
Weight ....................................................... 37.71 Carats
Measurements....................................... 20.55 X 23.19 X 13.05 Mm
Color And Transparency ............... Greenish Blue, Transparent
Characteristics .................................... Natural Inclusion(S)pattern
Comments:
Blue Topaz Is Commonly Treated By Irradiation Followed
By Heat. Indicative Evidence Of Treatment Is Typically
Lacking.
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