Utan reservationspris Tanzanit - 45.56 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
1 pcs Intensiv violettblått Tanzanit - 2.20 ct
Nr 84352355
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ......................................................................... Oval, Mixed Cut
Measurements ....................................................................... 10.98 x 7.05 x 4.15 mm
Carat Weight ...................................................................................................... 2.20 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.
21 March, 2024
16884000
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ......................................................................... Oval, Mixed Cut
Measurements ....................................................................... 10.98 x 7.05 x 4.15 mm
Carat Weight ...................................................................................................... 2.20 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.
21 March, 2024
16884000
Antal stenar
1
Sten
Tanzanit
Karat totalvikt
2,20
Ursprung som angivet på certifikat
Tanzania
Skärning & Form
Oval
Certifiering
ALGT (B)
Färg
Intensiv violettblått
Behandling
Vanligen uppvärmd, utan bevis på behandling
Transparans/ klarhet
Transparent
Förseglad
Nej
