沒有保留價 - 1 pcs 紫色, 黃色, 雙色紫黃晶 - 23.21 ct - 國際有色寶石協會 (ICA GemLab)

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由Alberto Fidalgo精選

Gemstone Identification Report Summary • Species: Quartz • Variety: Amethyst–Citrine (Ametrine) • Weight: 23.21 carats • Shape: Octagonal • Cut: Step / Step • Measurements: 23.97 × 13.46 × 9.88 mm • Transparency: Transparent Color • Purple and Yellow (bi-color) Phenomena • None observed Treatments • See comments Comments • Ametrine is commonly heated or irradiated to improve or modify color.

編號 101314164

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沒有保留價 - 1 pcs 紫色, 黃色, 雙色紫黃晶 - 23.21 ct - 國際有色寶石協會 (ICA GemLab)

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Gemstone Identification Report Summary
• Species: Quartz
• Variety: Amethyst–Citrine (Ametrine)
• Weight: 23.21 carats
• Shape: Octagonal
• Cut: Step / Step
• Measurements: 23.97 × 13.46 × 9.88 mm
• Transparency: Transparent

Color
• Purple and Yellow (bi-color)

Phenomena
• None observed

Treatments
• See comments

Comments
• Ametrine is commonly heated or irradiated to improve or modify color.