Ingen mindstepris - 2 pcs Tanzanit - 1.64 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
1 pcs Blå (lilla) Tanzanit - 2.25 ct
Nr. 84575377
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style .................................................................. Triangle, Mixed Cut
Measurements .......................................................................... 8.25 x 8.03 x 5.82 mm
Carat Weight ...................................................................................................... 2.25 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
57275055
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style .................................................................. Triangle, Mixed Cut
Measurements .......................................................................... 8.25 x 8.03 x 5.82 mm
Carat Weight ...................................................................................................... 2.25 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
57275055
Antal sten
1
Sten
Tanzanit
Samlet karatvægt
2,25
Oprindelse som angivet på certifikat
Tanzania
Slibning og form
Trekant
Certificering
ALGT (B)
Farve
Blå (lilla)
Behandling
Almindeligt varmebehandlet uden spor af behandling
Gennemsigtighed / klarhed
Gennemsigtig
Forseglet
Nej
