synthetic sapphire 34# top quality natrual cut factory price wholesale
* Hardness: 9
* Refraction Index: 1.76
* Density: 3.99 g/cm³
* Melting Point: 2050 c°
* Wax Casting: Yes
* Hardness: 9
* Refraction Index: 1.76
* Density: 3.99 g/cm³
* Melting Point: 2050 c°
* Wax Casting: Yes
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No.3502, Unite 2, Gem Building, Xihuan Road, Wuzhou, Guangxi, China
Xinyan Gems Co., Ltd.
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No.3502, Unite 2, Gem Building, Xihuan Road, Wuzhou, Guangxi, China