編號 99385231
已出售
最終出價
€ 53
8 小時前
沒有保留價 - 1 pcs 紫色, 紫羅蘭色 紫水晶 - 15.78 ct - 國際寶石學院（International Gemological Institute (IGI)）
Report Number: 746504183
• Date: November 7, 2025
• Species: Quartz
• Variety: Amethyst
• Shape & Cut: Octagonal Mixed Cut
• Carat Weight: 15.78 ct
• Measurements: 17.24 × 16.88 × 11.84 mm
• Color & Transparency: Violet, Transparent
• Characteristics: Natural inclusions pattern
• Comments: Amethysts are occasionally heated during fashioning to enhance color
• Optical & Physical Properties:
• Refractive Index: 1.544 – 1.553
• Birefringence: 0.009
• Optic Character: Uniaxial (+)
• Specific Gravity: 2.66
編號 99385231
已出售
沒有保留價 - 1 pcs 紫色, 紫羅蘭色 紫水晶 - 15.78 ct - 國際寶石學院（International Gemological Institute (IGI)）
Report Number: 746504183
• Date: November 7, 2025
• Species: Quartz
• Variety: Amethyst
• Shape & Cut: Octagonal Mixed Cut
• Carat Weight: 15.78 ct
• Measurements: 17.24 × 16.88 × 11.84 mm
• Color & Transparency: Violet, Transparent
• Characteristics: Natural inclusions pattern
• Comments: Amethysts are occasionally heated during fashioning to enhance color
• Optical & Physical Properties:
• Refractive Index: 1.544 – 1.553
• Birefringence: 0.009
• Optic Character: Uniaxial (+)
• Specific Gravity: 2.66
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