χωρίς τιμή ασφαλείας - 1 pcs Μωβ, Μπλε Τανζανίτης - 10.13 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

ALGT ΑΝΑΦΟΡΑ IDENTIFICATION ΓΙΑ ΤΟΝ ΠΟΙΟΤΙΚΟ ΠΕΡΙΓΡΑΦΗ ΤΩΝ ΔΟΜΙΚΩΝ ΟΡΥΚΩΝ ΚΑΤΑΤΟΜΗΣΗ
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ......................................................................... Pear, Mixed Cut
Measurements .................................................................... 14.94 x 13.68 x 7.30 mm
Carat Weight ................................................................................................... 10.13 Carat
Color ...................................................................................... Vivid/Deep Blue (Purplish)
Transparency .................................................................................................. Transparent
ADDITIONAL GRADING CHARACTERISTICS
Color Quality Grade .......................................................................... Fine Color Quality
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.
Minor amount of clarity enhancement in fissures at the time of testing.
Oiling has become a common practice in trade for many gemstones. This
enhancement is reversible at any time.
07 February, 2026
35291184