Bez ceny minimalnej Tanzanit - 45.56 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
1 pcs (Bez rezerwy) - Intensywny fioletowo-niebieski Tanzanit - 1.74 ct
Nr 84381261
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ..................................................... Modified Pear, Mixed Cut
Measurements .......................................................................... 7.97 x 7.69 x 4.46 mm
Carat Weight ...................................................................................................... 1.74 Carat
Color ................................................................................................ Intense Violetish Blue
Transparency .................................................................................................. Transparent
ADDITIONAL GRADING CHARACTERISTICS
Suggested Origin ................................................................................................. Tanzania
COMMENTS
Tanzanite is commonly heated at low temperature to improve its color.
There is currently no scientific method available to determine whether this
gemstone has been enhanced or not.
22 March, 2024
78299389
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ..................................................... Modified Pear, Mixed Cut
Measurements .......................................................................... 7.97 x 7.69 x 4.46 mm
Carat Weight ...................................................................................................... 1.74 Carat
Color ................................................................................................ Intense Violetish Blue
Transparency .................................................................................................. Transparent
ADDITIONAL GRADING CHARACTERISTICS
Suggested Origin ................................................................................................. Tanzania
COMMENTS
Tanzanite is commonly heated at low temperature to improve its color.
There is currently no scientific method available to determine whether this
gemstone has been enhanced or not.
22 March, 2024
78299389
Liczba kamieni
1
Kamień
Tanzanit
Masa całkowita w karatach
1,74
Pochodzenie widniejące na certyfikacie
Tanzania
Szlif i kształt
gruszkowy
Certyfikacja
ALGT (B)
Kolor
(Bez rezerwy) - Intensywny fioletowo-niebieski
Obróbka
Powszechnie podgrzewany bez dowodów obróbki
Przejrzystość/ czystość
Transparent
Opakowany
Nie
