沒有保留價 - 1 pcs 綠色, 黃色電氣石 - 4.24 ct - 國際寶石學院（International Gemological Institute (IGI)）

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IGI Report Number: 746504157 • Species/Variety: Natural Tourmaline • Shape & Cut: Square Cushion Mixed Cut • Weight: 4.24 ct • Measurements: 9.74 × 9.54 × 6.50 mm • Color & Transparency: Yellow Green, Transparent • Characteristics: Natural inclusions • Optical & Physical Properties: • Refractive Index: 1.624–1.644 • Birefringence: 0.020 • Optic Character: Uniaxial • Specific Gravity: 3.06

編號 100186346

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沒有保留價 - 1 pcs 綠色, 黃色電氣石 - 4.24 ct - 國際寶石學院（International Gemological Institute (IGI)）

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IGI Report Number: 746504157
• Species/Variety: Natural Tourmaline
• Shape & Cut: Square Cushion Mixed Cut
• Weight: 4.24 ct
• Measurements: 9.74 × 9.54 × 6.50 mm
• Color & Transparency: Yellow Green, Transparent
• Characteristics: Natural inclusions
• Optical & Physical Properties:
• Refractive Index: 1.624–1.644
• Birefringence: 0.020
• Optic Character: Uniaxial
• Specific Gravity: 3.06