没有保留价 - 1 pcs 蓝色, 紫罗兰色坦桑石 - 8.62 ct - 国际宝石研究院（IGI）

专家

由Ghene Menezes精选

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

编号 99859092

已售出

没有保留价 - 1 pcs 蓝色, 紫罗兰色坦桑石 - 8.62 ct - 国际宝石研究院（IGI）

翻译到简体中文

将由Google翻译翻译

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