SKU:R425a
Rough stone for faceting - Sapphire Pinkish Padparadscha Czochralski (Pulled) lab grown 27-29ct
Rough stone for faceting - Sapphire Pinkish Padparadscha Czochralski (Pulled) lab grown 27-29ct
Low stock: 10 left
Lab-created Sapphire
Growing method: Czochralski
Czochralski, or another name Pulled, process carries the same physical and chemical properties as natural sapphires.
Advantages of the Czochralski method: the method allows to grow a bigger size and better clarity crystals that rarely can be found in nature. Comparing to flame fusion method, crystals grown by Czochralski method almost don't have air bubbles.
Color: Pinkish Padparadscha
Clarity: loupe clear
Size: L18.8-19.3 x W 10.7-11.1 x H7.0-7.6mm
Weight: 27-29ct
Formula Al2O3
Mohs Hardness 9.0 (Mohs)
Crystal system Trigonal
Refractive Index 1.757 - 1.779
Specific gravity 3.95–4.10
For wholesale, please send request with desired quantity and size