Bleu verdâtre Aigue-marine - 4.52 ct
1 pcs Bleu (violet) Tanzanite - 2.49 ct
Nº 84098359
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ................................................ Modified Octagon, Step Cut
Measurements .......................................................................... 7.97 x 7.11 x 4.91 mm
Carat Weight ...................................................................................................... 2.49 Carat
Color .............................................................................................................. Blue (Purplish)
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
27821331
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ................................................ Modified Octagon, Step Cut
Measurements .......................................................................... 7.97 x 7.11 x 4.91 mm
Carat Weight ...................................................................................................... 2.49 Carat
Color .............................................................................................................. Blue (Purplish)
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
27821331
Nombre de pierres
1
Pierre
Tanzanite
Poids total en carats
2,49
Origine telle qu’indiquée sur le certificat
Tanzanie
Coupe & forme
Octogonal
Certification
ALGT (B)
Couleur
Bleu (violet)
Traitement
Communément chauffé sans aucune trace de traitement
Transparence / pureté
Transparent
Scellé
Non
