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天然蛇睫石蓝辉石宝石 – 21.90 克拉，椭圆形凸圆抛光面，偏蓝紫色调的坦桑石 – ICA GemLab 证书

Natural Tanzanite Zoisite Gemstone – 21.90 ct Oval Cabochon Bluish Violet Tanzanite – ICA GemLab Certified


A beautiful natural Tanzanite from the Zoisite family, featuring an elegant oval cabochon cut. The gemstone displays an attractive bluish violet color with transparent clarity.

According to the ICA GemLab report, Tanzanite is commonly heated to improve or change its color. Color authenticity is currently undetermined as stated in the report.



Gemstone Details:
Gemstone Type: Natural Zoisite
Variety: Tanzanite
Weight: 21.90 ct
Shape: Oval
Cut: Cabochon
Dimensions: 18.79 × 13.28 × 9.16 mm
Color: Bluish Violet
Transparency: Transparent
Treatment: See Comments (commonly heated)
Laboratory: ICA GemLab
Report Number: TH26G120227


This impressive 21.90 carat Tanzanite is a remarkable collector’s gemstone, suitable for unique jewelry designs. The gemstone comes with an official ICA GemLab certificate.




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1 pcs  藍色 坦桑石  - 21.90 ct - 國際有色寶石協會 (ICA GemLab) - 21.90克拉 天然坦桑石

坦桑尼亞 - 熱處理-  Lab report: TH26G120227

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1 pcs 藍色坦桑石 - 21.90 ct - 國際有色寶石協會 (ICA GemLab) - 21.90克拉天然坦桑石

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1 pcs 藍色 坦桑石 - 21.90 ct - 國際有色寶石協會 (ICA GemLab) - 21.90克拉 天然坦桑石