没有保留价 - 1 pcs 紫色, 黄色, 双色紫黄晶 - 23.21 ct - 国际有色宝石协会（ICA GemLab）

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由Alberto Fidalgo精选

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.

编号 101314164

已售出

没有保留价 - 1 pcs 紫色, 黄色, 双色紫黄晶 - 23.21 ct - 国际有色宝石协会（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.