2 pcs Blu violaceo Tanzanite - 1.62 ct
N. 85801717
1 pcs Blu violaceo profondo Tanzanite - 4.67 ct
N. 85801717
1 pcs Blu violaceo profondo Tanzanite - 4.67 ct
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ......................................................................... Pear, Mixed Cut
Measurements ....................................................................... 11.47 x 7.74 x 7.26 mm
Carat Weight ...................................................................................................... 4.67 Carat
Color .................................................................................................... Deep Violetish Blue
Transparency .................................................................................................. Transparent
ADDITIONAL GRADING CHARACTERISTICS
Suggested Origin ................................................................................................. Tanzania
COMMENTS
Minor 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.
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.
07 May, 2024
86045045
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