N. 100210714

Senza prezzo di riserva - 1 pcs Blu, Violetto Tanzanite - 8.62 ct - International Gemological Institute (IGI)
N. 100210714

Senza prezzo di riserva - 1 pcs Blu, Violetto Tanzanite - 8.62 ct - International Gemological Institute (IGI)
IGI Report Number: 746504172
• Species/Variety: Natural Zoisite (Tanzanite)
• Shape & Cut: Oval Cabochon
• Weight: 8.62 ct
• Measurements: 13.95 × 10.69 × 7.19 mm
• Color & Transparency: Bluish Violet, Transparent
• Characteristics: Natural inclusions
• Comments: Tanzanites are commonly enhanced by heat; indicative evidence is typically lacking. Possible clarity enhancement.
• Optical & Physical Properties:
• Refractive Index: 1.691–1.700
• Birefringence: 0.009
• Optic Character: Biaxial
• Specific Gravity: 3.35
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