Nr. 90198139
1 pcs Intensives Blau (Violett) Tansanit - 8.60 ct
Nr. 90198139
1 pcs Intensives Blau (Violett) Tansanit - 8.60 ct
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ......................................................................... Pear, Mixed Cut
Measurements .................................................................... 17.32 x 10.62 x 6.10 mm
Carat Weight ...................................................................................................... 8.60 Carat
Color .............................................................................................. Intense 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.
Minor amount of oil in fissures.
Oiling has become a common practice in trade for many gemstones. This
enhancement is reversible at any time.
31 May, 2024
12481221
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