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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: Top side is Royal Blue
Clarity: loupe clear
Size: L16-18 x W8.5-10 x H6.5-7.5mm
Weight: 19-24ct
Formula Al2O3
Mohs Hardness 9.0 (Mohs)
Crystal system Trigonal
Refractive Index 1.757 - 1.779
Specific gravity 3.95–4.10
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Ships within 48 hours · Estimated delivery Jun 23 - Jun 28
US$40
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