編號 99859092
已出售
最終出價
€ 27
8 小時前
沒有保留價 - 1 pcs 藍色, 紫羅蘭色 坦桑石 - 8.62 ct - 國際寶石學院（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
編號 99859092
已出售
沒有保留價 - 1 pcs 藍色, 紫羅蘭色 坦桑石 - 8.62 ct - 國際寶石學院（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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