N. 100154368

Senza prezzo di riserva - 1 pcs Blu, Violetto, Verde Tanzanite - 2.82 ct - International Gemological Institute (IGI)
N. 100154368

Senza prezzo di riserva - 1 pcs Blu, Violetto, Verde Tanzanite - 2.82 ct - International Gemological Institute (IGI)
IGI Report Number: 746504170
• Species/Variety: Natural Zoisite (Tanzanite)
• Shape & Cut: Cushion Mixed Cut
• Weight: 2.82 ct
• Measurements: 10.78 × 5.97 × 5.38 mm
• Color & Transparency: Deep Green Violet, Transparent
• Characteristics: Natural inclusions
• Comments: Tanzanites are commonly enhanced by heat; indicative evidence is typically lacking.
• Optical & Physical Properties:
• Refractive Index: 1.691–1.700
• Birefringence: 0.009
• Optic Character: Biaxial
• Specific Gravity: 3.35
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