水硬铝石 - 28.89 ct

拍品资料
水硬铝石 - 28.89 ct
梨形 - MSU Gemmological Centre (Russia)

Kind: Diaspore
Сertificate of Gemological center of the Moscow state University
Size: 28,40 x 16,20 x 8,92 mm
Natural/Lab-Created: Natural 
Colour: color change: dark green-yellow and light brown or YG/GY 4/2 - reddish brown O 2/2 by GIA Colored Stone Grading (determined at certification)
Daylight-stone has a green color.
Artificial light - brown color.
By yellow light, the gemstone is brownish red.
On all this photos - the real color!
Clarity: SI2 (determined at certification)
Treatments: Laboratory studies have not been conducted. Commonly diaspores are not treated.
Delivery: PTT (Post of Turkey)
Comes with the original certificate of the Gemological center of the Moscow state University No. 259155
The link for authentication is specified in the certificate.
Country of Origin is an opinion offered by the seller of this item. This opinion is not substantiated by an official laboratory.
Attention! Standard delivery time is 10-15 days. Delivery time to Italy may be more. The cause is an incorrect work of Post of Italy.

拍品细节
石材
水硬铝石
Total carat weight
28.89
切割
梨形
鉴定证书
MSU Gemmological Centre (Russia)
表面处理
No indication of treatments
Transparency/ clarity
Translucent (with some inclusions)
Sealed
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