1 pcs Μπλε Τανζανίτης - 9.99 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
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Φυσικός τανζανίτης, 1 λίθος, 9,99 καράτια, μπλε, ημιδιαφανής, συνήθως θερμαινόμενος χωρίς ένδειξη επεξεργασίας, έκθεση ALGT.
Περίληψη με τη βοήθεια τεχνητής νοημοσύνης
Περιγραφή από τον πωλητή
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ................................................ Modified Octagon, Step Cut
Measurements .................................................................... 11.81 x 10.24 x 8.53 mm
Carat Weight ...................................................................................................... 9.99 Carat
Color ..................................................................................... Intense/Vivid Purplish Blue
Transparency ....................................................................................... Semi-transparent
ADDITIONAL GRADING CHARACTERISTICS
Origin ......................................................................................................................... Tanzania
Origin determination is an expert opinion based on microscopic examination, spectroscopic features and
chemical trace element analysis.
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.
Moderate amount of clarity enhancement in fissures.
Clarity enhancement has become a common practice in trade for many
gemstones. This enhancement is reversible at any time.
17 November, 2025
95638353
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ................................................ Modified Octagon, Step Cut
Measurements .................................................................... 11.81 x 10.24 x 8.53 mm
Carat Weight ...................................................................................................... 9.99 Carat
Color ..................................................................................... Intense/Vivid Purplish Blue
Transparency ....................................................................................... Semi-transparent
ADDITIONAL GRADING CHARACTERISTICS
Origin ......................................................................................................................... Tanzania
Origin determination is an expert opinion based on microscopic examination, spectroscopic features and
chemical trace element analysis.
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.
Moderate amount of clarity enhancement in fissures.
Clarity enhancement has become a common practice in trade for many
gemstones. This enhancement is reversible at any time.
17 November, 2025
95638353
Λεπτομέρειες
Nr of stones
1
Gemstone type
Τανζανίτης
Συνολικό βάρος (σε ct) για πολλαπλές πέτρες
9.99
Χρώμα
Μπλε
Διαφάνεια πολύτιμων λίθων
Ημιδιαφανής
Θεραπεία
Θερμασμένο όπως συνήθως χωρίς ενδείξεις επεξεργασίας
Πιστοποίηση
Antwerp Laboratory for Gemstone Testing (ALGT)
Σφραγισμένο/ Μη σφραγισμένο
Όχι
Σχήμα
Οκτάγωνο
Στυλ κοπής
Κοπή Step
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