沒有保留價 - 1 pcs 紫色紫水晶 - 50.84 ct - 國際有色寶石協會 (ICA GemLab)

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由Alberto Fidalgo精選

Gemstone Report Summary • Species: Natural Quartz • Variety: Amethyst • Weight: 50.84 carats • Dimensions: 24.44 × 20.25 × 14.98 mm • Shape: Octagonal • Cut: Step / Step • Transparency: Transparent • Color: Purple • Phenomena: None • Treatments: See Comments • Comments: Amethyst is commonly heated or irradiated to improve or change the color. Color authenticity is currently undeterminable. • Identification & Testing Methods: • Microscope • EDXRF • Raman Spectroscopy • FTIR • UV / VIS / NIR • LA-ICP-MS

編號 102132733

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沒有保留價 - 1 pcs 紫色紫水晶 - 50.84 ct - 國際有色寶石協會 (ICA GemLab)

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Gemstone Report Summary
• Species: Natural Quartz
• Variety: Amethyst
• Weight: 50.84 carats
• Dimensions: 24.44 × 20.25 × 14.98 mm
• Shape: Octagonal
• Cut: Step / Step
• Transparency: Transparent
• Color: Purple
• Phenomena: None
• Treatments: See Comments
• Comments: Amethyst is commonly heated or irradiated to improve or change the color. Color authenticity is currently undeterminable.
• Identification & Testing Methods:
• Microscope
• EDXRF
• Raman Spectroscopy
• FTIR
• UV / VIS / NIR
• LA-ICP-MS